CVE-2026-121259
mediumA flaw was found in the GStreamer JPEG 2000 decimator in gst-plugins-bad.
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.
CVSS
6.5
6.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (secalert@redhat.com)
Timeline (UTC)
Published: 2026-11-03 17:18
Modified: 2026-11-04 10:17
NVD status: Awaiting Analysis
Last synced 14 hours ago
Verified against the source API 2026-11-04 10:33 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://access.redhat.com/security/cve/CVE-2026-121259 secalert@redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2565686 secalert@redhat.com
- https://gstreamer.freedesktop.org/releases/1.28/ secalert@redhat.com
- https://gstreamer.freedesktop.org/security/sa-2026-0015.html secalert@redhat.com
Data sources
NVD CVE API 2.0 — fetched 2026-11-04 10:33 UTC · record ↗