Description
Use-after-free vulnerability in the nsOverflowContinuationTracker::Finish function in Mozilla Firefox before 19.0, Firefox ESR 17.x before 17.0.3, Thunderbird before 17.0.3, Thunderbird ESR 17.x before 17.0.3, and SeaMonkey before 2.16 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted document that uses Cascading Style Sheets (CSS) -moz-column-* properties.
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 7 | iceweasel | 17.0.6esr-1~deb7u1 | DSA-2699-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | firefox +3 | 17.0.3-1.el6_3 | RHSA-2013:0272, RHSA-2013:0271 |
| RHEL 6 | libproxy +7 | 0.3.0-4.el6_3 | RHSA-2013:0271 |
| RHEL 6 | yelp | 2.28.1-17.el6_3 | RHSA-2013:0271 |
| RHEL 5 | devhelp +1 | 0.12-23.el5_9 | RHSA-2013:0271 |
| RHEL 5 | firefox +2 | 17.0.3-1.el5_9 | RHSA-2013:0271 |
| RHEL 5 | yelp | 2.16.0-30.el5_9 | RHSA-2013:0271 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Productivity 5 | thunderbird | 17.0.3-1.el5_9 | RHSA-2013:0272 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 50.1.0-1.1 | openSUSE-SU-2024:10071-1 |
| openSUSE Tumbleweed | MozillaThunderbird | 45.5.1-1.1 | openSUSE-SU-2024:10230-1 |
| openSUSE Tumbleweed | firefox-esr | 128.5.1-1.1 | openSUSE-SU-2024:14572-1 |
Advisories 6
- RHSA-2013:0272 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2013:0271 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- DSA-2699-1 iceweasel - several Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10230-1 MozillaThunderbird-45.5.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14572-1 firefox-esr-128.5.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10071-1 MozillaFirefox-50.1.0-1.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
References
- DSA-2699 vendor-advisory
- USN-1729-1 vendor-advisory
- USN-1729-2 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=812893
- USN-1748-1 vendor-advisory
- oval:org.mitre.oval:def:16383 vdb-entry signature
- openSUSE-SU-2013:0324 vendor-advisory
- RHSA-2013:0271 vendor-advisory
- RHSA-2013:0272 vendor-advisory
- http://www.mozilla.org/security/announce/2013/mfsa2013-28.html
- openSUSE-SU-2013:0323 vendor-advisory