Description
Use-after-free vulnerability in the nsEditor::IsPreformatted function in editor/libeditor/base/nsEditor.cpp in Mozilla Firefox before 19.0.2, Firefox ESR 17.x before 17.0.4, Thunderbird before 17.0.4, Thunderbird ESR 17.x before 17.0.4, and SeaMonkey before 2.16.1 allows remote attackers to execute arbitrary code via vectors involving an execCommand call.
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 | xulrunner +2 | 17.0.3-2.el6_4 | RHSA-2013:0627, RHSA-2013:0614 |
| RHEL 5 | xulrunner +1 | 17.0.3-2.el5_9 | RHSA-2013:0614 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Productivity 5 | thunderbird | 17.0.3-2.el5_9 | RHSA-2013:0627 |
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-2013:0627 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2013:0614 Red Hat Security Advisory: xulrunner 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
- USN-1758-1 vendor-advisory
- DSA-2699 vendor-advisory
- http://twitter.com/VUPEN/statuses/309505403631325184
- oval:org.mitre.oval:def:16737 vdb-entry signature
- http://twitter.com/thezdi/statuses/309484730506698752
- 58391 vdb-entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=848644
- RHSA-2013:0614 vendor-advisory
- openSUSE-SU-2013:0468 vendor-advisory
- openSUSE-SU-2013:0465 vendor-advisory
- openSUSE-SU-2013:0467 vendor-advisory
- openSUSE-SU-2013:0431 vendor-advisory
- SUSE-SU-2013:0470 vendor-advisory
- http://www.mozilla.org/security/announce/2013/mfsa2013-29.html
- RHSA-2013:0627 vendor-advisory
- http://h30499.www3.hp.com/t5/HP-Security-Research-Blog/Pwn2Own-2013/ba-p/5981157