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RHEL 8 : python-pillow (RHSA-2026:93077)

critical Nessus Plugin ID 374290

Synopsis

The remote Red Hat host is missing one or more security updates for python-pillow.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:93077 advisory.

 Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.

 Security Fix(es):

 * pillow: Pillow: Heap buffer overflow in _tiffWriteProc when saving TIFF to BytesIO (CVE-2026-112393)

 * pillow: Pillow: Heap buffer overflow in FlashPix (FPX) JPEG decoding leads to code execution (CVE-2026-112398)

 * pillow: Pillow: Argument Injection in Ghostscript call, potentially leading into RCE (CVE-2026-112900)

 For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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

Update the RHEL python-pillow package based on the guidance in RHSA-2026:93077.

See Also

https://access.redhat.com/errata/RHSA-2026:93077

https://access.redhat.com/security/updates/classification/#critical

https://bugzilla.redhat.com/show_bug.cgi?id=2555846

https://bugzilla.redhat.com/show_bug.cgi?id=2555867

https://bugzilla.redhat.com/show_bug.cgi?id=2555889

http://www.nessus.org/u?0cd3f0ee

Plugin Details

Severity: Critical

ID: 374290

File Name: redhat-RHSA-2026-93077.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/30/2026

Updated: 10/30/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.6

Percentile: 98.11

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-112900

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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:P/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.2

Threat Score: 8.2

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_eus:8.10, p-cpe:/a:redhat:enterprise_linux:python-pillow, p-cpe:/a:redhat:enterprise_linux:python3-pillow-devel, p-cpe:/a:redhat:enterprise_linux:python3-pillow-doc, p-cpe:/a:redhat:enterprise_linux:python3-pillow-tk, p-cpe:/a:redhat:enterprise_linux:python3-pillow

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/30/2026

Vulnerability Publication Date: 10/19/2026

Reference Information

CVE: CVE-2026-112393, CVE-2026-112398, CVE-2026-112900

CWE: 787, 88

RHSA: 2026:93077