Amazon Linux 2 : ImageMagick, --advisory ALAS2-2026-3211 (ALAS-2026-3211)

critical Nessus Plugin ID 304618

Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

The version of ImageMagick installed on the remote host is prior to 6.9.10.97-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3211 advisory.

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap information disclosure vulnerability exists in ImageMagick's PSD (Adobe Photoshop) format handler. When processing a maliciously crafted PSD file containing ZIP-compressed layer data that decompresses to less than the expected size, uninitialized heap memory is leaked into the output image. Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-24481)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, Magick fails to check for multi-layer nested mvg conversions to svg, leading to DoS. Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-24484)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, when a PCD file does not contain a valid Sync marker, the DecodeImage() function becomes trapped in an infinite loop while searching for the Sync marker, causing the program to become unresponsive and continuously consume CPU resources, ultimately leading to system resource exhaustion and denial of service. Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-24485)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap buffer over-read vulnerability exists in multiple raw image format handles. The vulnerability occurs when processing images with -extract dimensions larger than -size dimensions, causing out-of-bounds memory reads from a heap-allocated buffer. Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-25576)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, memory leak exists in `coders/msl.c`. In the `WriteMSLImage` function of the `msl.c` file, resources are allocated. But the function returns early without releasing these allocated resources. Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-25638)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, in `ReadSFWImage()` (`coders/sfw.c`), when temporary file creation fails, `read_info` is destroyed before its `filename` member is accessed, causing a NULL pointer dereference and crash. Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-25795)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, in `ReadSTEGANOImage()` (`coders/stegano.c`), the `watermark` Image object is not freed on three early-return paths, resulting in a definite memory leak (~13.5KB+ per invocation) that can be exploited for denial of service. Versions 7.1.2-15 and 6.9.13-40 contain a patch.
(CVE-2026-25796)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, the ps coders, responsible for writing PostScript files, fails to sanitize the input before writing it into the PostScript header. An attacker can provide a malicous file and inject arbitrary PostScript code. When the resulting file is processed by a printer or a viewer (like Ghostscript), the injected code is interpreted and executed. The html encoder does not properly escape strings that are written to in the html document. An attacker can provide a malicious file and injection arbitrary html code. Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-25797)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a NULL pointer dereference in ClonePixelCacheRepository allows a remote attacker to crash any application linked against ImageMagick by supplying a crafted image file, resulting in denial of service. Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-25798)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a logic error in YUV sampling factor validation allows an invalid sampling factor to bypass checks and trigger a division-by-zero during image loading, resulting in a reliable denial-of-service. Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-25799)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, the UIL and XPM image encoder do not validate the pixel index value returned by `GetPixelIndex()` before using it as an array subscript. In HDRI builds, `Quantum` is a floating-point type, so pixel index values can be negative. An attacker can craft an image with negative pixel index values to trigger a global buffer overflow read during conversion, leading to information disclosure or a process crash. Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-25898)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, ImageMagick's path security policy is enforced on the raw filename string before the filesystem resolves it. As a result, a policy rule such as /etc/* can be bypassed by a path traversal. The OS resolves the traversal and opens the sensitive file, but the policy matcher only sees the unnormalized path and therefore allows the read. This enables local file disclosure (LFI) even when policy-secure.xml is applied. Actions to prevent reading from files have been taken in versions .7.1.2-15 and 6.9.13-40 But it make sure writing is also not possible the following should be added to one's policy.
This will also be included in ImageMagick's more secure policies by default. (CVE-2026-25965)

ImageMagick is free and open-source software used for editing and manipulating digital images. The shipped secure security policy includes a rule intended to prevent reading/writing from standard streams.
However, ImageMagick also supports fd:<n> pseudo-filenames (e.g., fd:0, fd:1). Prior to versions 7.1.2-15 and 6.9.13-40, this path form is not blocked by the secure policy templates, and therefore bypasses the protection goal of no stdin/stdout. Versions 7.1.2-15 and 6.9.13-40 contain a patch by including a change to the more secure policies by default. As a workaround, add the change to one's security policy manually. (CVE-2026-25966)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a stack buffer overflow occurs when processing the an attribute in msl.c.
A long value overflows a fixed-size stack buffer, leading to memory corruption. Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-25968)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a signed integer overflow vulnerability in ImageMagick's SIXEL decoder allows an attacker to trigger memory corruption and denial of service when processing a maliciously crafted SIXEL image file. The vulnerability occurs during buffer reallocation operations where pointer arithmetic using signed 32-bit integers overflows. Versions 7.1.2-15 and 6.9.13-40 contain a patch.
(CVE-2026-25970)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, Magick fails to check for circular references between two MSLs, leading to a stack overflow. Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-25971)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap out-of-bounds read vulnerability exists in the `coders/dcm.c` module. When processing DICOM files with a specific configuration, the decoder loop incorrectly reads bytes per iteration. This causes the function to read past the end of the allocated buffer, potentially leading to a Denial of Service (crash) or Information Disclosure (leaking heap memory into the image).
Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-25982)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a crafted MSL script triggers a heap-use-after-free. The operation element handler replaces and frees the image while the parser continues reading from it, leading to a UAF in ReadBlobString during further parsing. Versions 7.1.2-15 and 6.9.13-40 contain a patch.
(CVE-2026-25983)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a crafted SVG file containing an malicious element causes ImageMagick to attempt to allocate ~674 GB of memory, leading to an out-of-memory abort. Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-25985)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap buffer overflow write vulnerability exists in ReadYUVImage() (coders/yuv.c) when processing malicious YUV 4:2:2 (NoInterlace) images. The pixel-pair loop writes one pixel beyond the allocated row buffer. Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-25986)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap buffer over-read vulnerability exists in the MAP image decoder when processing crafted MAP files, potentially leading to crashes or unintended memory disclosure during image decoding. Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-25987)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, sometimes msl.c fails to update the stack index, so an image is stored in the wrong slot and never freed on error, causing leaks. Versions 7.1.2-15 and 6.9.13-40 contain a patch.
(CVE-2026-25988)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a crafted profile contain invalid IPTC data may cause an infinite loop when writing it with `IPTCTEXT`. Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-26066)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a `continue` statement in the JPEG extent binary search loop in the jpeg encoder causes an infinite loop when writing persistently fails. An attacker can trigger a 100% CPU consumption and process hang (Denial of Service) with a crafted image. Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-26283)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, ImageMagick lacks proper boundary checking when processing Huffman-coded data from PCD (Photo CD) files. The decoder contains an function that has an incorrect initialization that could cause an out of bounds read. Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-26284)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, the MSL interpreter crashes when processing a invalid `<map>` element that causes it to use an image after it has been freed. Versions 7.1.2-15 and 6.9.13-40 contain a patch.
(CVE-2026-26983)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap buffer over-read vulnerability occurs when processing an image with small dimension using the `-wavelet-denoise` operator. Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-27798)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap buffer over-read vulnerability exists in the DJVU image format handler. The vulnerability occurs due to integer truncation when calculating the stride (row size) for pixel buffer allocation. The stride calculation overflows a 32-bit signed integer, resulting in an out-of- bounds memory reads. Versions 7.1.2-15 and 6.9.13-40 contain a patch. (CVE-2026-27799)

A flaw was found in ImageMagick. This vulnerability, a stack buffer overflow, allows an attacker to cause stack corruption by providing maliciously crafted kernel strings. This can lead to arbitrary code execution or a denial of service (DoS), impacting the availability and integrity of the system.
(CVE-2026-28494)

A flaw was found in ImageMagick, free and open-source software used for editing and manipulating digital images. A local attacker could exploit a heap-buffer-overflow vulnerability in the PCL encode due to an undersized output buffer allocation. This could lead to a denial of service (DoS), making the software unavailable, and potentially impact data integrity. (CVE-2026-28686)

A flaw was found in ImageMagick, free and open-source software used for editing and manipulating digital images. A heap use-after-free vulnerability in ImageMagick's MSL (Magick Scripting Language) decoder allows an attacker to trigger access to freed memory by crafting a malicious MSL file. This can lead to a denial of service. (CVE-2026-28687)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, a heap-use-after-free vulnerability exists in the MSL encoder, where a cloned image is destroyed twice. The MSL coder does not support writing MSL so the write capability has been removed. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41. (CVE-2026-28688)

A flaw was found in ImageMagick, a free and open-source software used for editing and manipulating digital images. A time-of-check to time-of-use (TOCTOU) vulnerability exists where authorization for a file path is checked before the file is finally opened or used. A local attacker can exploit this by performing a symlink swap between the check-time and use-time, bypassing policy-denied read/write operations. This can lead to information disclosure and unauthorized modification of files. (CVE-2026-28689)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, a stack buffer overflow vulnerability exists in the MNG encoder. There is a bounds checks missing that could corrupting the stack with attacker-controlled data. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41. (CVE-2026-28690)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, an uninitialized pointer dereference vulnerability exists in the JBIG decoder due to a missing check. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41. (CVE-2026-28691)

A flaw was found in ImageMagick, a free and open-source software used for editing and manipulating digital images. A remote attacker could exploit a heap over-read vulnerability in the MAT decoder due to incorrect parenthesization when using 32-bit arithmetic. This could lead to the disclosure of sensitive information and a denial of service (DoS) condition. (CVE-2026-28692)

A flaw was found in ImageMagick, a free and open-source software used for editing and manipulating digital images. An integer overflow vulnerability in the DIB (Device Independent Bitmap) coder component can be exploited by a remote attacker. By processing a specially crafted image file, this flaw may lead to an out-of-bounds read or write, potentially resulting in arbitrary code execution, privilege escalation, information disclosure, or a Denial of Service (DoS). (CVE-2026-28693)

A flaw was found in ImageMagick, a free and open-source software used for editing and manipulating digital images. A local attacker could exploit this vulnerability by providing an extremely large image profile when encoding a PNG image. This could result in a heap overflow, leading to a Denial of Service (DoS), which makes the affected system or application unavailable to legitimate users. (CVE-2026-30883)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, MagnifyImage uses a fixed-size stack buffer. When using a specific image it is possible to overflow this buffer and corrupt the stack. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41. (CVE-2026-30929)

A flaw was found in ImageMagick, a free and open-source software for editing and manipulating digital images. A remote attacker could exploit this vulnerability by providing a specially crafted image to a user, which, when processed with the -wavelet-denoise operation, could lead to an out-of-bounds heap write. This issue can result in a denial of service (DoS), causing the application to become unstable or crash. (CVE-2026-30936)

A flaw was found in ImageMagick, a software suite for editing and manipulating digital images. An integer overflow vulnerability exists in the XWD (X Windows) encoder when processing extremely large images. This flaw can lead to an undersized memory allocation, resulting in an out-of-bounds write to the heap. A local attacker could exploit this to cause a denial of service (DoS) or potentially impact data integrity.
(CVE-2026-30937)

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to 7.1.2-16 and 6.9.13-41, an overflow on 32-bit systems can cause a crash in the SFW decoder when processing extremely large images. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41. (CVE-2026-31853)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Run 'yum update ImageMagick' or or 'yum update --advisory ALAS2-2026-3211' to update your system.

Plugin Details

Severity: Critical

ID: 304618

File Name: al2_ALAS-2026-3211.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 4/1/2026

Updated: 4/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-25986

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:imagemagick-debuginfo, p-cpe:/a:amazon:linux:imagemagick-devel, p-cpe:/a:amazon:linux:imagemagick-c%2b%2b, p-cpe:/a:amazon:linux:imagemagick, p-cpe:/a:amazon:linux:imagemagick-doc, p-cpe:/a:amazon:linux:imagemagick-perl, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:imagemagick-c%2b%2b-devel

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 4/1/2026

Vulnerability Publication Date: 2/24/2026

Reference Information

CVE: CVE-2026-24481, CVE-2026-24484, CVE-2026-24485, CVE-2026-25576, CVE-2026-25638, CVE-2026-25795, CVE-2026-25796, CVE-2026-25797, CVE-2026-25798, CVE-2026-25799, CVE-2026-25898, CVE-2026-25965, CVE-2026-25966, CVE-2026-25968, CVE-2026-25970, CVE-2026-25971, CVE-2026-25982, CVE-2026-25983, CVE-2026-25985, CVE-2026-25986, CVE-2026-25987, CVE-2026-25988, CVE-2026-26066, CVE-2026-26283, CVE-2026-26284, CVE-2026-26983, CVE-2026-27798, CVE-2026-27799, CVE-2026-28494, CVE-2026-28686, CVE-2026-28687, CVE-2026-28688, CVE-2026-28689, CVE-2026-28690, CVE-2026-28691, CVE-2026-28692, CVE-2026-28693, CVE-2026-30883, CVE-2026-30929, CVE-2026-30936, CVE-2026-30937, CVE-2026-31853

Detections

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