The av_audio_fifo_size function in libavutil/audio_fifo.c in Libav 12.2 allows remote…
Priority LOW 31CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
The av_audio_fifo_size function in libavutil/audio_fifo.c in Libav 12.2 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted media file.
Why it matters now
EPSS 0.00994 62nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-18247
- 2026-10-03 Alias added: GHSA-ww84-6q95-5pgr
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-2017-18247 · CVE Program
- CVE-2017-18247 · NVD
- FIRST EPSS
- GHSA-ww84-6q95-5pgr · GitHub Advisory Database · CC BY 4.0
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