High [CVE-2026-38349] Denial of Service via crafted image file due to integer overflow
This high-severity Red Hat Linux advisory covers CVE-2026-38349 affecting Red Hat Enterprise Linux AI (RHEL AI) 3, Red Hat OpenShift AI (RHOAI).
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Summary
An integer overflow in the hScale16To19_c() function (libswscale/output.c) of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted image file. A flaw was found in FFmpeg.
This can lead to the application becoming unresponsive or crashing, preventing legitimate users from accessing the service. The ffmpeg package is not shipped in base Red Hat Enterprise Linux.
It is available through EPEL, Red Hat Enterprise Linux AI, and as a bundled dependency in Red Hat OpenShift AI container images. The vulnerable code resides in libswscale, which is compiled and shipped in all FFmpeg builds across these products.
Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-190.
Affected Red Hat products: Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat OpenShift AI (RHOAI). Red Hat does not currently list a fixing RHSA for this CVE.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 10 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 10 days ago·verify at source
Mitigation checklist
- No mitigation is currently available for this flaw.
Official advisory · high-confidence parse· fetched 10 days ago·verify at source
Discussion(0)
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