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CVE-2026-121259— Gst-plugins-bad: gst-plugins-bad: integer overflows and division by zero in jpeg 2000 decimator

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 10
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 组件中的 GStreamer JPEG 2000 解码器发现了一个漏洞。经过精心构造的 JPEG 2000 媒体文件可能在处理图像瓦片（tile）时引发整数溢出或除以零错误。处理此类恶意媒体的应用程序可能会发生崩溃，从而导致拒绝服务（DoS）。

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 4

VendorProduct Version RangeStatus
Red Hat Red Hat Enterprise Linux 10 any affected
Red Hat Red Hat Enterprise Linux 7 any affected
Red Hat Red Hat Enterprise Linux 8 any affected
Red Hat Red Hat Enterprise Linux 9 any affected
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I. Basic Information for CVE-2026-121259

Vulnerability Information
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Vulnerability Title
Gst-plugins-bad: gst-plugins-bad: integer overflows and division by zero in jpeg 2000 decimator
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the GStreamer JPEG 2000 decimator in gst-plugins-bad. Crafted JPEG 2000 media can cause integer overflows or division by zero during tile processing. An application that processes the malicious media may crash, resulting in a denial of service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9

II. Public POCs for CVE-2026-121259

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III. Intelligence Information for CVE-2026-121259

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Other References for CVE-2026-121259 (3)

Same Patch Batch · Red Hat · 2026-11-03 · 6 CVEs total

CVE-2026-120830 7.4 HIGH Libslirp: libslirp: out-of-bounds heap read in icmp_forward_error() leading to information
CVE-2026-82976 7.1 HIGH Image-customization-controller: unauthenticated plaintext image server with directory list
CVE-2026-119843 6.5 MEDIUM Gst-plugins-good: assertion failures in FLV demuxer when parsing malformed enhanced audio/
CVE-2026-120831 6.5 MEDIUM Libslirp: libslirp: queue pointer corruption in if_output() leading to denial of service
CVE-2026-120971 5.3 MEDIUM Org.jboss.resteasy/resteasy-core: resteasy: information disclosure through default excepti

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-190