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01 Record

CVE-2012-3963

Use-after-free vulnerability in the js::gc::MapAllocToTraceKind function in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7,

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

02 Description

Use-after-free vulnerability in the js::gc::MapAllocToTraceKind function in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7,

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 5.94% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 93.1% of scored records. A rank, not a probability.
NVD base score: The NVD has published no score for this record
NVD CVSS vector: No NVD score to derive
NVD analysis status: Modified. NVD last modified this record on 2026-06-16.
Red Hat severity: Critical. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2012-08-29 10:00Z14 YR AGO

Last updated

2024-08-06 20:21Z2 YR AGO

Reserved

2012-07-11

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-416Use After FreeVariant

Data version

5.1

Document digest

91aa1de024694fee7844e1d0033eae5680c8b99177c09cc1d34b7e96f518f259

05 Affected products

VendorProductVersionsPlatforms

canonicalubuntu_linuxNot specified—

mozillafirefoxNot specified—

mozillaseamonkeyNot specified—

mozillathunderbirdNot specified—

mozillathunderbird_esrNot specified—

opensuseopensuseNot specified—

redhatenterprise_linuxNot specified—

redhatenterprise_linux_desktopNot specified—

redhatenterprise_linux_eusNot specified—

redhatenterprise_linux_serverNot specified—

redhatenterprise_linux_server_eusNot specified—

redhatenterprise_linux_workstationNot specified—

suselinux_enterprise_desktopNot specified—

suselinux_enterprise_serverNot specified—

suselinux_enterprise_software_development_kitNot specified—

06 References

rhn.redhat.comRHSA-2012:1211http://rhn.redhat.com/errata/RHSA-2012-1211.htmlvendor-advisoryx_refsource_REDHAT
www.securityfocus.com55340http://www.securityfocus.com/bid/55340vdb-entryx_refsource_BID
www.mozilla.orghttp://www.mozilla.org/security/announce/2012/mfsa2012-58.htmlx_refsource_CONFIRM
bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=762280x_refsource_CONFIRM
www.ubuntu.comUSN-1548-1http://www.ubuntu.com/usn/USN-1548-1vendor-advisoryx_refsource_UBUNTU
www.ubuntu.comUSN-1548-2http://www.ubuntu.com/usn/USN-1548-2vendor-advisoryx_refsource_UBUNTU
rhn.redhat.comRHSA-2012:1210http://rhn.redhat.com/errata/RHSA-2012-1210.htmlvendor-advisoryx_refsource_REDHAT
lists.opensuse.orgSUSE-SU-2012:1167http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00014.htmlvendor-advisoryx_refsource_SUSE
lists.opensuse.orgSUSE-SU-2012:1157http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00011.htmlvendor-advisoryx_refsource_SUSE
lists.opensuse.orgopenSUSE-SU-2012:1065http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00028.htmlvendor-advisoryx_refsource_SUSE
www.xerox.comhttp://www.xerox.com/download/security/security-bulletin/16287-4d6b7b0c81f7b/cert_XRX13-003_v1.0.pdfx_refsource_CONFIRM
oval.cisecurity.orgoval:org.mitre.oval:def:16437https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16437vdb-entrysignaturex_refsource_OVAL