Bug 2457857 (CVE-2026-30997)

Summary: CVE-2026-30997 FFmpeg: FFmpeg: Denial of Service via out-of-bounds read
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: bbrownin, ebourniv, hasun, jkoehler, lgallett, lphiri, nyancey, ptisnovs, sbunciak
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Doc Text:
A flaw was found in FFmpeg. An attacker can exploit an out-of-bounds read vulnerability within the `read_global_param()` function by providing a specially crafted input. This can lead to a Denial of Service (DoS), making the affected system or application unavailable.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2457984, 2457987, 2457983, 2457985, 2457986    
Bug Blocks:    

Description OSIDB Bzimport 2026-04-13 15:03:09 UTC
An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.