| Name | CVE-2016-5271 |
| Description | The PropertyProvider::GetSpacingInternal function in Mozilla Firefox before 49.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via text runs in conjunction with a "display: contents" Cascading Style Sheets (CSS) property. |
| 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 |
|---|
| firefox (PTS) | sid | 132.0.2-1 | fixed |
| firefox-esr (PTS) | jessie, jessie (lts) | 68.9.0esr-1~deb8u2 | fixed |
| stretch (security), stretch (lts), stretch | 91.11.0esr-1~deb9u1 | fixed |
| buster (security), buster, buster (lts) | 115.12.0esr-1~deb10u1 | fixed |
| bullseye | 115.14.0esr-1~deb11u1 | fixed |
| bullseye (security) | 128.4.0esr-1~deb11u1 | fixed |
| bookworm | 128.3.1esr-1~deb12u1 | fixed |
| bookworm (security) | 128.4.0esr-1~deb12u1 | fixed |
| sid, trixie | 128.4.0esr-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| firefox | source | (unstable) | 49.0-1 | | | |
| firefox-esr | source | (unstable) | (not affected) | | | |
Notes
- firefox-esr <not-affected> (Doesn't affect ESR)
https://www.mozilla.org/en-US/security/advisories/mfsa2016-86/
https://www.mozilla.org/en-US/security/advisories/mfsa2016-87/