Description
The setAttr function in Graphite 2 before 1.3.6, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.6.1, allows remote attackers to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact via a crafted Graphite smart font.
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | firefox-esr | 45.0esr-1 | — |
| Debian 14 | graphite2 | 1.3.6-1 | — |
| Debian 13 | firefox-esr | 45.0esr-1 | — |
| Debian 13 | graphite2 | 1.3.6-1 | — |
| Debian 12 | firefox-esr | 45.0esr-1 | — |
| Debian 12 | graphite2 | 1.3.6-1 | — |
| Debian 8 | graphite2 | 1.3.6-1~deb8u1 | DSA-3515-1 |
| Debian 8 | iceweasel | 38.6.1esr-1~deb8u1 | DSA-3477-1 |
| Debian 7 | graphite2 | 1.3.6-1~deb7u1 | DSA-3515-1 |
| Debian 7 | iceweasel | 38.6.1esr-1~deb7u1 | DSA-3477-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | firefox | 45.0+build2-0ubuntu0.14.04.1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | firefox | 38.6.1-1.el7_2 | RHSA-2016:0197 |
| RHEL 6 | firefox | 38.6.1-1.el6_7 | RHSA-2016:0197 |
| RHEL 5 | firefox | 38.6.1-1.el5_11 | RHSA-2016:0197 |
Advisories 3
- RHSA-2016:0197 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- DSA-3477-1 iceweasel - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3515-1 graphite2 - security update Debian Security (DSA / DLA) · Mar 9, 2026