Bug 2554785 (CVE-2026-112058)

Summary: CVE-2026-112058 libdvdnav: libdvdnav: Denial of Service via out-of-bounds read in set_PTT
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in libdvdnav. An attacker could trigger a Denial of Service (DoS) by convincing a user to load a specially crafted DVD or disc image. Due to missing input validation in the set_PTT function, an invalid title number causes the library to read memory beyond allocated boundaries, leading to an application crash.
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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: 2555424    
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Description OSIDB Bzimport 2026-10-18 12:41:51 UTC 
VideoLAN libdvdnav through 7.0.0 contains an out-of-bounds read vulnerability in set_PTT that allows attackers to crash applications by supplying an invalid JumpTT title number checked only by an assert. Attackers can craft a DVD or disc image whose First Play program chain issues JumpTT with title 0 or an oversized number, reading past the heap title table and crashing the player.