Description
The get_vlc2 function in get_bits.h in Libav 11.9 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted mp3 file. NOTE: this issue exists due to an incomplete fix for CVE-2016-8675.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | libav | No fix yet | — |
References
- https://blogs.gentoo.org/ago/2016/09/07/libav-null-pointer-dereference-in-get_vlc2_get_bits_h/
- 93468 vdb-entry
- [oss-security] 20161015 Re: libav: null pointer dereference in get_vlc2 (get_bits.h) mailing-list
- [oss-security] 20161204 Re: libav: multiple crashes from the Undefined Behavior Sanitizer mailing-list
- https://blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer/