VYPR
Unrated severityNVD Advisory· Published Nov 21, 2012· Updated Jun 16, 2026

CVE-2012-5839

CVE-2012-5839

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

30
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <10.0.11
    • (no CPE)range: <17.0; Firefox ESR 10.x <10.0.11
  • cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*range: <2.14
    • (no CPE)range: <2.14
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <17.0
    • cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:*range: <10.0.11
    • (no CPE)range: <17.0; Thunderbird ESR 10.x <10.0.11
  • cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*+ 3 more
    • cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*
    • cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*
    • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
    • cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*
  • OpenSUSE/openSUSE3 versions
    cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*
    • cpe:2.3:o:opensuse:opensuse:12.1:*:*:*:*:*:*:*
    • cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*
    • cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_eus:6.3:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*
    • cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*
    • cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
  • cpe:2.3:o:suse:linux_enterprise_desktop:10:sp4:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:suse:linux_enterprise_desktop:10:sp4:*:*:*:*:*:*
    • cpe:2.3:o:suse:linux_enterprise_desktop:11:sp2:*:*:*:*:*:*
  • cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:*:*:*:*
    • cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:-:*:*
    • cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:vmware:*:*
  • cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp4:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp4:*:*:*:*:*:*
    • cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp2:*:*:*:*:*:*
  • osv-coords2 versions
    < 50.1.0-1.1+ 1 more
    • (no CPE)range: < 50.1.0-1.1
    • (no CPE)range: < 45.5.1-1.1

Patches

Vulnerability mechanics

References

27

News mentions

0

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