TI-2017-08655 Aliases CVE-2017-11684 GHSA-5h8x-m3f2-jfxh

There is an illegal address access in the build_table function in libavcodec/bitstream.c…

LOW 36Published 2017-07-27 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

There is an illegal address access in the build_table function in libavcodec/bitstream.c of Libav 12.1 that will lead to remote denial of service via crafted input.

Why it matters now

EPSS 0.01624 76th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

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

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:libav:libav:12.1:::::::*	12.1	Vulnerable	Libav

cpe:2.3:a:libav:libav:12.1:*:*:*:*:*:*:* Versions 12.1 Vulnerable ·Libav

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2017-11684
2026-10-03 Alias added: GHSA-5h8x-m3f2-jfxh

References

Exploit 1

https://bugzilla.libav.org/show_bug.cgi?id=1073

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

See all 107 →

Sources

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