CVE-2012-5839
No CVSS score yet. EPSS 7.0% chance of exploitation in the next 30 days.
Heap-based buffer overflow in the gfxShapedWord::CompressedGlyph::IsClusterStart function in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code via unspecified vectors.
- EPSS
- 7.0% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)
- CWE
- CWE-787
- Published
- Modified
- Record from
- the NVD, synced
Affected
- canonical:ubuntu_linux
- mozilla:firefox
- mozilla:seamonkey
- mozilla:thunderbird
- mozilla:thunderbird_esr
- opensuse:opensuse
- redhat:enterprise_linux_desktop
- redhat:enterprise_linux_eus
- redhat:enterprise_linux_server
- redhat:enterprise_linux_workstation
- suse:linux_enterprise_desktop
- suse:linux_enterprise_server
- suse:linux_enterprise_software_development_kit
References
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.html
- http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.html
- http://lists.opensuse.org/opensuse-updates/2012-11/msg00092.html
- http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.html