Improper input validation in VC1 codec in libsavsvc.so prior to SMR Aug-2026 Release 1 allows local attackers to write out-of-bounds memory. (CVE-2026-21072)
An improper input validation vulnerability exists in the VC1 codec component of libsavsvc.so prior to the SMR Aug-2026 Release 1. This flaw allows local attackers to write out-of-bounds memory, potentially leading to memory corruption. The vulnerability is classified as medium severity. No patch or remediation information is currently provided. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-21072 describes an improper input validation vulnerability in the VC1 codec within libsavsvc.so before SMR Aug-2026 Release 1. This vulnerability enables local attackers to perform out-of-bounds memory writes, which could cause memory corruption or instability. The CVSS 4.0 vector indicates local attack vector with low complexity and no privileges required, but the overall impact and exploitability metrics are marked as unknown or not specified. No detailed vendor advisory or patch information is available.
Potential Impact
Local attackers can exploit this vulnerability to write outside the intended memory bounds, which may lead to memory corruption. The exact impact on confidentiality, integrity, or availability is not detailed. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is provided at this time.
Improper input validation in VC1 codec in libsavsvc.so prior to SMR Aug-2026 Release 1 allows local attackers to write out-of-bounds memory. (CVE-2026-21072)
Description
An improper input validation vulnerability exists in the VC1 codec component of libsavsvc.so prior to the SMR Aug-2026 Release 1. This flaw allows local attackers to write out-of-bounds memory, potentially leading to memory corruption. The vulnerability is classified as medium severity. No patch or remediation information is currently provided. There are no known exploits in the wild at this time.
CVSS v4.0
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-21072 describes an improper input validation vulnerability in the VC1 codec within libsavsvc.so before SMR Aug-2026 Release 1. This vulnerability enables local attackers to perform out-of-bounds memory writes, which could cause memory corruption or instability. The CVSS 4.0 vector indicates local attack vector with low complexity and no privileges required, but the overall impact and exploitability metrics are marked as unknown or not specified. No detailed vendor advisory or patch information is available.
Potential Impact
Local attackers can exploit this vulnerability to write outside the intended memory bounds, which may lead to memory corruption. The exact impact on confidentiality, integrity, or availability is not detailed. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is provided at this time.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-8532-r3c4-44qx
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-21072"]
- Ecosystems
- []
- Database Specific Severity
- MODERATE
- Cvss Version
- 4.0
Threat ID: 6a79f0e0bf8831d539f620fb
Added to database: 08/10/2026, 15:40:16 UTC
Last enriched: 08/10/2026, 16:02:21 UTC
Last updated: 08/11/2026, 03:40:59 UTC
Views: 3
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