Heap-based buffer overflow in the vqa_decode_chunk function in the VQA codec (vqavideo.c)…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Heap-based buffer overflow in the vqa_decode_chunk function in the VQA codec (vqavideo.c) in libavcodec in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.2 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted VQA media file in which the image size is not a multiple of the block size.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 25
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libav:libav:0.5:*:*:*:*:*:*:* | 0.5 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.5.1:*:*:*:*:*:*:* | 0.5.1 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.5.2:*:*:*:*:*:*:* | 0.5.2 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.5.3:*:*:*:*:*:*:* | 0.5.3 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.5.4:*:*:*:*:*:*:* | 0.5.4 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.5.5:*:*:*:*:*:*:* | 0.5.5 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.5.6:*:*:*:*:*:*:* | 0.5.6 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.5.7:*:*:*:*:*:*:* | 0.5.7 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.6:*:*:*:*:*:*:* | 0.6 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.6.1:*:*:*:*:*:*:* | 0.6.1 | Vulnerable | Libav |
- cpe:2.3:a:libav:libav:0.5:*:*:*:*:*:*:* Versions 0.5 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.5.1:*:*:*:*:*:*:* Versions 0.5.1 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.5.2:*:*:*:*:*:*:* Versions 0.5.2 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.5.3:*:*:*:*:*:*:* Versions 0.5.3 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.5.4:*:*:*:*:*:*:* Versions 0.5.4 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.5.5:*:*:*:*:*:*:* Versions 0.5.5 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.5.6:*:*:*:*:*:*:* Versions 0.5.6 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.5.7:*:*:*:*:*:*:* Versions 0.5.7 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.6:*:*:*:*:*:*:* Versions 0.6 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.6.1:*:*:*:*:*:*:* Versions 0.6.1 Vulnerable ·Libav
Show 15 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libav:libav:0.6.2:*:*:*:*:*:*:* | 0.6.2 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.6.3:*:*:*:*:*:*:* | 0.6.3 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.6.4:*:*:*:*:*:*:* | 0.6.4 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.6.5:*:*:*:*:*:*:* | 0.6.5 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.7:*:*:*:*:*:*:* | 0.7 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.7:beta1:*:*:*:*:*:* | 0.7 beta1 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.7:beta2:*:*:*:*:*:* | 0.7 beta2 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.7.1:*:*:*:*:*:*:* | 0.7.1 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.7.2:*:*:*:*:*:*:* | 0.7.2 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.7.3:*:*:*:*:*:*:* | 0.7.3 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.7.4:*:*:*:*:*:*:* | 0.7.4 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.7.5:*:*:*:*:*:*:* | 0.7.5 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.8:*:*:*:*:*:*:* | 0.8 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.8:beta2:*:*:*:*:*:* | 0.8 beta2 | Vulnerable | Libav |
| cpe:2.3:a:libav:libav:0.8.1:*:*:*:*:*:*:* | 0.8.1 | Vulnerable | Libav |
- cpe:2.3:a:libav:libav:0.6.2:*:*:*:*:*:*:* Versions 0.6.2 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.6.3:*:*:*:*:*:*:* Versions 0.6.3 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.6.4:*:*:*:*:*:*:* Versions 0.6.4 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.6.5:*:*:*:*:*:*:* Versions 0.6.5 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.7:*:*:*:*:*:*:* Versions 0.7 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.7:beta1:*:*:*:*:*:* Versions 0.7 beta1 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.7:beta2:*:*:*:*:*:* Versions 0.7 beta2 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.7.1:*:*:*:*:*:*:* Versions 0.7.1 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.7.2:*:*:*:*:*:*:* Versions 0.7.2 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.7.3:*:*:*:*:*:*:* Versions 0.7.3 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.7.4:*:*:*:*:*:*:* Versions 0.7.4 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.7.5:*:*:*:*:*:*:* Versions 0.7.5 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.8:*:*:*:*:*:*:* Versions 0.8 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.8:beta2:*:*:*:*:*:* Versions 0.8 beta2 Vulnerable ·Libav
- cpe:2.3:a:libav:libav:0.8.1:*:*:*:*:*:*:* Versions 0.8.1 Vulnerable ·Libav
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2012-0947
- 2026-10-03 Alias added: GHSA-mrcx-gg4f-hxqf
References
More Libav vulnerabilities
- TI-2025-07863 libav MPEG File Parser utils.c ff_seek_frame_binary null pointer dereference CVSS 4.0MEDIUM 4.8
- TI-2025-07862 libav DSS File Demuxer avconv.c main double free CVSS 4.0MEDIUM 4.8
- TI-2025-07861 libav AVI File Parser buffer.c av_buffer_unref null pointer dereference CVSS 4.0MEDIUM 4.8
- TI-2014-03250 Multiple unspecified vulnerabilities in Libav before 0.8.12 allow remote attackers to have unknown impact and vectors. CVSS 2.0HIGH 10.0
- TI-2012-04335 Google Chrome before 23.0.1271.97, and Libav 0.7.x before 0.7.7 and 0.8.x before 0.8.5… CVSS 2.0HIGH 10.0
- TI-2012-02425 Double free vulnerability in the mpeg_decode_frame function in libavcodec/mpeg12.c in… CVSS 2.0HIGH 10.0
Sources
- CVE-2012-0947 · CVE Program
- CVE-2012-0947 · NVD
- FIRST EPSS
- GHSA-mrcx-gg4f-hxqf · GitHub Advisory Database · CC BY 4.0
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