Vulnerability · Published Nov 3, 2026 · Assigned by redhat
CVE-2026-121259Gst-plugins-bad: gst-plugins-bad: integer overflows and division by zero in jpeg 2000 decimator
Medium 6.5
In plain English
A medium-severity integer overflow in Red Hat Enterprise Linux 10 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 73.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:26.04:LTS | gst-plugins-bad1.0 | no fix listed | UBUNTU-CVE-2026-121259 |
| Ubuntu:26.10 | gst-plugins-bad1.0 | no fix listed | UBUNTU-CVE-2026-121259 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | see references |
| Red Hat | Red Hat Enterprise Linux 7 | see references |
| Red Hat | Red Hat Enterprise Linux 8 | see references |
| Red Hat | Red Hat Enterprise Linux 9 | see references |
Weakness: CWE-190 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
References
- https://access.redhat.com/security/cve/CVE-2026-121259 vdb-entry, x_refsource_REDHAT
- RHBZ#2565686 issue-tracking, x_refsource_REDHAT
- https://gstreamer.freedesktop.org/releases/1.28/
- https://gstreamer.freedesktop.org/security/sa-2026-0015.html