heap buffer overflow in libaom
Priority MEDIUM 44CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
Increasing the resolution of video frames, while performing a multi-threaded encode, can result in a heap overflow in av1_loop_restoration_dealloc().
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01175 67th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed libaom (libaom): 3.7.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| libaom | libaom | before 3.7.1 | 3.7.1 | Patch available | CNA |
- libaom Vendorlibaom Affected before 3.7.1 Fixed in 3.7.1 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:aomedia:aomedia:*:*:*:*:*:*:*:* | before 3.7.1 | Vulnerable | aomedia |
| cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* | 38 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* | 39 | Vulnerable | Fedoraproject |
- cpe:2.3:a:aomedia:aomedia:*:*:*:*:*:*:*:* Versions before 3.7.1 Vulnerable ·aomedia
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* Versions 38 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* Versions 39 Vulnerable ·Fedoraproject
Remediation
- Fix · CNA libaom (libaom) Fixed in 3.7.1
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
Not affected: 3 products
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2023-6879
- 2026-10-03 Alias added: GHSA-fvcr-3mhq-rw2x
References
Exploit 1
Sources
- CVE-2023-6879 · CVE Program
- CVE-2023-6879 · NVD
- FIRST EPSS
- GHSA-fvcr-3mhq-rw2x · GitHub Advisory Database · CC BY 4.0
- CVE-2023-6879 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences