| Name | CVE-2015-4486 |
| Description | The decrease_ref_count function in libvpx in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via malformed WebM video data. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libvpx (PTS) | jessie, jessie (lts) | 1.3.0-3+deb8u4 | fixed |
| stretch (security) | 1.6.1-3+deb9u3 | fixed |
| stretch (lts), stretch | 1.6.1-3+deb9u5 | fixed |
| buster | 1.7.0-3+deb10u1 | fixed |
| buster (security) | 1.7.0-3+deb10u2 | fixed |
| bullseye (security), bullseye | 1.9.0-1+deb11u2 | fixed |
| bookworm (security), bookworm | 1.12.0-1+deb12u2 | fixed |
| trixie, sid | 1.13.1-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libvpx | source | squeeze | (not affected) | | | |
| libvpx | source | wheezy | (not affected) | | | |
| libvpx | source | jessie | (not affected) | | | |
| libvpx | source | (unstable) | 1.4.0-1 | | | |
Notes
[jessie] - libvpx <not-affected> (Vulnerable code not present)
[wheezy] - libvpx <not-affected> (Vulnerable code not present)
[squeeze] - libvpx <not-affected> (Vulnerable code not present)
https://www.mozilla.org/en-US/security/advisories/mfsa2015-89/
https://bugzilla.mozilla.org/show_bug.cgi?id=1177948 is restricted