Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libav | Libav | <= 11.11 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/101882Third Party AdvisoryVDB Entry
- https://bugzilla.libav.org/show_bug.cgi?id=1098Issue Tracking
- https://github.com/libav/libav/commit/cd4663dc80323ba64989d0c103d51ad3ee0e9c2fIssue Tracking
- https://security.gentoo.org/glsa/201811-19
- https://www.debian.org/security/2018/dsa-4119
- http://www.securityfocus.com/bid/101882Third Party AdvisoryVDB Entry
- https://bugzilla.libav.org/show_bug.cgi?id=1098Issue Tracking
- https://github.com/libav/libav/commit/cd4663dc80323ba64989d0c103d51ad3ee0e9c2fIssue Tracking
- https://security.gentoo.org/glsa/201811-19
- https://www.debian.org/security/2018/dsa-4119
FAQ
What is CVE-2017-16803?
CVE-2017-16803 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ser...
How severe is CVE-2017-16803?
CVE-2017-16803 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-16803?
Check the references section above for vendor advisories and patch information. Affected products include: Libav Libav.