Description
Buffer overflow in the XDRBuffer::grow function in js/src/vm/Xdr.cpp in Mozilla Firefox before 43.0 might allow remote attackers to cause a denial of service or possibly have unspecified other impact via crafted JavaScript code.
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | firefox | 43.0+build1-0ubuntu0.14.04.1 | USN-2833-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 50.1.0-1.1 | openSUSE-SU-2024:10071-1 |
Advisories 2
- USN-2833-1 firefox vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- openSUSE-SU-2024:10071-1 MozillaFirefox-50.1.0-1.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1178033
- http://www.mozilla.org/security/announce/2015/mfsa2015-144.html
- GLSA-201512-10 vendor-advisory
- openSUSE-SU-2015:2353 vendor-advisory
- openSUSE-SU-2016:0308 vendor-advisory
- FEDORA-2015-7ab3d3afcf vendor-advisory
- USN-2833-1 vendor-advisory
- https://hg.mozilla.org/mozilla-central/rev/e4b9e72f934f
- 79280 vdb-entry
- openSUSE-SU-2016:0307 vendor-advisory
- FEDORA-2015-51b1105902 vendor-advisory
- 1034426 vdb-entry