RHEL 9 : Satellite 6.18 (RHSA-2026:95657)

critical Nessus Plugin ID 376918

Synopsis

The remote Red Hat host is missing one or more security updates for Satellite 6.18.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:95657 advisory.

This advisory provides security fixes for affected packages used by Red Hat Satellite. The updates address the vulnerabilities described below.

Security Fix(es):

* python3.12-django: Django: Remote code execution via GeoDjango spatial lookups (CVE-2026-15307)
* python3.12-brotli: Out-of-Bounds Write in Google Brotli Decoder (CVE-2026-111497)
* python3.12-urllib3: urllib3: Traffic interception via HTTPS proxy TLS configuration override (CVE-2026-97687)
* python3.12-urllib3: urllib3: Denial of Service via unbounded memory allocation in chunk parser (CVE-2026-97689)
* python3.12-pillow: pillow: Denial of Service via duplicate page references in PDF files (CVE-2026-96640)
* python3.12-pillow: pillow: Denial of Service via repeated EXIF headers (CVE-2026-96643)
* python3.12-pillow: pillow: Arbitrary code execution via JPEG encoder buffer overflow (CVE-2026-96778)
* python3.12-pillow: Pillow: Denial of Service via infinite loop during crafted MIC image parsing (CVE-2026-112390)
* python3.12-pillow: Pillow: Denial of Service via unbounded recursion in PDF parser (CVE-2026-112391)
* python3.12-pillow: pillow: Denial of Service via zero-size images in rank filters (CVE-2026-112392)
* python3.12-pillow: Pillow: Heap buffer overflow in _tiffWriteProc when saving TIFF to BytesIO (CVE-2026-112393)
* python3.12-pillow: pillow: Denial of Service via out-of-bounds memory access on zero-width images (CVE-2026-112397)
* python3.12-pillow: Pillow: Heap buffer overflow in FlashPix (FPX) JPEG decoding leads to code execution (CVE-2026-112398)
* python3.12-pillow: pillow: Denial of service via crafted APNG image (CVE-2026-112399)
* python3.12-pillow: pillow: Denial of Service via memory exhaustion from crafted GIF image (CVE-2026-112400)
* python3.12-pillow: pillow: Denial of service via double free during image transformation (CVE-2026-112402)
* python3.12-pillow: Pillow: Heap buffer overflow in ImagingJpegDecode (CVE-2026-112403)
* python3.12-pillow: Pillow: Denial of Service via out-of-bounds read in TIFF decoding (CVE-2026-112404)
* python3.12-pillow: Pillow: Denial of Service via null pointer dereference in Image.merge() (CVE-2026-112405)
* python3.12-pillow: pillow: Denial of Service via infinite loop during PDF page rewriting (CVE-2026-112406)
* python3.12-pillow: pillow: Denial of Service via unbounded memory expansion in MSP image decoder (CVE-2026-112892)
* python3.12-pillow: Pillow: Denial of Service via invalid pointer free during font rendering (CVE-2026-112893)
* python3.12-pillow: pillow: Denial of Service via crafted multi-frame image conversion (CVE-2026-112894)
* python3.12-pillow: pillow: Denial of service via crafted PDF during append operations (CVE-2026-112895)
* python3.12-pillow: Pillow: Denial of Service via out-of-bounds read in TIFF encoder (CVE-2026-112896)
* python3.12-pillow: pillow: Information disclosure via uninitialized buffer in TIFF decoding (CVE-2026-112897)
* python-gitpython: GitPython: Arbitrary file read vulnerability via `Repo.archive()` (CVE-2026-73619)
* python3.12-gitpython: GitPython: Arbitrary Code Execution via Path Traversal (CVE-2026-78677)
* python3.12-gitpython: GitPython: Denial of Service via crafted commit author field (CVE-2026-87819)
* python3.12-gitpython: GitPython: Denial of Service via regular expression backtracking in date parsing (CVE-2026-110856)
* python3.12-gitpython: GitPython: Arbitrary code execution via unsafe URL protocol handling (CVE-2026-110857)
* python3.12-gitpython: GitPython 3.1.30 before 3.2.0 Command Injection via Remote.pull() Refspec (CVE-2026-110858)
* python3.12-gitpython: GitPython: Arbitrary file read via argument injection in branch checkout (CVE-2026-110859)
* python3.12-gitpython: GitPython: arbitrary code execution via improper submodule path validation (CVE-2026-114145)
* openvox-agent: integer overflow issue in regular expression compiler (CVE-2026-110264)
* openvox-agent: integer overflow issue in CI/CD regular expression compiler (CVE-2026-97229)
* openvox-agent: integer overflow issue in regular expression compiler (CVE-2026-93577)
* openvox-agent: double free issue in regular expression parser (CVE-2026-89078)
* openvox-server: jackson-dataformat-smile: Denial of Service via unbounded memory allocation in asynchronous parser (CVE-2026-104895)

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 Satellite 6.18 package based on the guidance in RHSA-2026:95657.

Plugin Details

Severity: Critical

ID: 376918

File Name: redhat-RHSA-2026-95657.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 11/6/2026

Updated: 11/6/2026

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.5

Percentile: 99.88

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

CVSS Score Source: CVE-2026-96778

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

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:H/RL:O/RC:C

CVSS Score Source: CVE-2026-112403

CVSS v4

Risk Factor: Critical

Base Score: 9.2

Threat Score: 9.2

Threat Vector: CVSS:4.0/E:A

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

CVSS Score Source: CVE-2026-112403

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:openvox-agent, p-cpe:/a:redhat:enterprise_linux:openvox-server, p-cpe:/a:redhat:enterprise_linux:python3.12-brotli, p-cpe:/a:redhat:enterprise_linux:python3.12-django, p-cpe:/a:redhat:enterprise_linux:python3.12-gitpython, p-cpe:/a:redhat:enterprise_linux:python3.12-pillow, p-cpe:/a:redhat:enterprise_linux:python3.12-urllib3

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: 11/5/2026

Vulnerability Publication Date: 5/14/2026

CISA Known Exploited Vulnerability Due Dates: 11/1/2026, 11/10/2026

Reference Information

CVE: CVE-2026-104895, CVE-2026-110264, CVE-2026-110856, CVE-2026-110857, CVE-2026-110858, CVE-2026-110859, CVE-2026-111497, CVE-2026-112390, CVE-2026-112391, CVE-2026-112392, CVE-2026-112393, CVE-2026-112397, CVE-2026-112398, CVE-2026-112399, CVE-2026-112400, CVE-2026-112402, CVE-2026-112403, CVE-2026-112404, CVE-2026-112405, CVE-2026-112406, CVE-2026-112892, CVE-2026-112893, CVE-2026-112894, CVE-2026-112895, CVE-2026-112896, CVE-2026-112897, CVE-2026-114145, CVE-2026-15307, CVE-2026-73619, CVE-2026-78677, CVE-2026-87819, CVE-2026-89078, CVE-2026-93577, CVE-2026-96640, CVE-2026-96643, CVE-2026-96778, CVE-2026-97229, CVE-2026-97687, CVE-2026-97689

CWE: 124, 125, 1333, 1341, 190, 22, 295, 409, 415, 434, 476, 606, 73, 763, 770, 787, 835, 88, 908

RHSA: 2026:95657

Detections

Analytics

RHEL 9 : Satellite 6.18 (RHSA-2026:95657)

critical Nessus Plugin ID 376918

Synopsis

Description

Solution

See Also

Plugin Details

Risk Information

VPR

Vendor

CVSS v2

CVSS v3

CVSS v4

Vulnerability Information

Reference Information