Description
Use-after-free vulnerability in the imgContainer::InternalAddFrameHelper function in src/imgContainer.cpp in libpr0n in Mozilla Firefox 3.6 before 3.6.2 allows remote attackers to cause a denial of service (heap memory corruption and application crash) or possibly execute arbitrary code via a multipart/x-mixed-replace animation in which the frames have different bits-per-pixel (bpp) values.
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.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 50.1.0-1.1 | openSUSE-SU-2024:10071-1 |
| openSUSE Tumbleweed | firefox-esr | 128.5.1-1.1 | openSUSE-SU-2024:14572-1 |
Advisories 2
- 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
- 38921 vdb-entry
- 38918 vdb-entry
- http://www.zerodayinitiative.com/advisories/ZDI-10-047
- MDVSA-2010:070 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=547143
- ADV-2010-0692 vdb-entry
- oval:org.mitre.oval:def:8703 vdb-entry signature
- http://www.mozilla.org/security/announce/2010/mfsa2010-09.html
- 20100402 ZDI-10-047: Mozilla Firefox libpr0n imgContainer Bits-Per-Pixel Change Remote Code Execution Vulnerability mailing-list