CVE-2017-16803
Description
In Libav through 11.11 and 12.x through 12.1, the smacker_decode_tree function in libavcodec/smacker.c does not properly restrict tree recursion, which allows remote attackers to cause a denial of service (bitstream.c:build_table() out-of-bounds read and application crash) via a crafted Smacker stream.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 7:2.2.1-1 |
| debian | bullseye | fixed | 7:2.2.1-1 |
| debian | forky | fixed | 7:2.2.1-1 |
| debian | sid | fixed | 7:2.2.1-1 |
| debian | trixie | fixed | 7:2.2.1-1 |
References
- http://www.securityfocus.com/bid/101882
- https://bugzilla.libav.org/show_bug.cgi?id=1098
- https://github.com/libav/libav/commit/cd4663dc80323ba64989d0c103d51ad3ee0e9c2f
- https://security.gentoo.org/glsa/201811-19
- https://www.debian.org/security/2018/dsa-4119
- https://security-tracker.debian.org/tracker/CVE-2017-16803
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.