CVE-2012-5839

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Summary

CVECVE-2012-5839
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-11-21 12:55:03 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionHeap-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.

Risk And Classification

Primary CVSS: v2.0 9.3 from [email protected]

AV:N/AC:M/Au:N/C:C/I:C/A:C

Problem Types: CWE-787 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:M/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Mozilla Firefox All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
openSUSE-SU-2012:1583-1: moderate: update for MozillaFirefox af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com Third Party Advisory, VDB Entry
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
openSUSE-SU-2012:1586-1: moderate: update for xulrunner af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Security Advisory SA51359 - Red Hat update for firefox - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
openSUSE-SU-2012:1585-1: moderate: update for MozillaThunderbird af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Security Advisory SA51440 - SUSE update for seamonkey - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
Security Advisory SA51360 - Red Hat update for thunderbird - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
USN-1638-3: Firefox regressions | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
MFSA 2012-105: Use-after-free and buffer overflow issues found using Address Sanitizer af854a3a-2127-422b-91ae-364da2661108 www.mozilla.org Vendor Advisory
Pale Moon - af854a3a-2127-422b-91ae-364da2661108 www.palemoon.org Broken Link
[security-announce] openSUSE-SU-2013:0175-1: important: security update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Security Advisory SA51439 - SUSE update for MozillaFirefox - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
804927 – (CVE-2012-5839) heap-buffer-overflow in gfxShapedWord::CompressedGlyph::IsClusterStart af854a3a-2127-422b-91ae-364da2661108 bugzilla.mozilla.org Issue Tracking, Patch, Vendor Advisory
Support / Security / Advisories / / MDVSA-2012:173 | Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com Third Party Advisory
osvdb.org/87607 af854a3a-2127-422b-91ae-364da2661108 osvdb.org Broken Link
Mozilla Firefox/Thunderbird/SeaMonkey CVE-2012-5839 Heap Buffer Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org Third Party Advisory
USN-1638-2: ubufox update | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
[security-announce] SUSE-SU-2012:1592-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
USN-1636-1: Thunderbird vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
Security Advisory SA51370 - Ubuntu update for thunderbird - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
Security Advisory SA51434 - SUSE update for xulrunner - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
Security Advisory SA51369 - Ubuntu update for firefox - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
USN-1638-1: Firefox vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
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