What’s Vulnerable › Vulnerabilities

CVE-2012-1938

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2012-06-05 · updated 2026-06-16

Description

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 13.0, Thunderbird before 13.0, and SeaMonkey before 2.10 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to (1) methodjit/ImmutableSync.cpp, (2) the JSObject::makeDenseArraySlow function in js/src/jsarray.cpp, and unknown other components.

Affected products

• Mozilla Firefox: before 13.0 — fixed in 13.0
• Mozilla Seamonkey: before 2.10 — fixed in 2.10
• Mozilla Thunderbird: before 13.0 — fixed in 13.0
• Opensuse: 11.4, 12.1
• RedHat Enterprise Linux Desktop: 5.0, 6.0
• RedHat Enterprise Linux Eus: 6.2
• RedHat Enterprise Linux Server: 5.0, 6.0
• RedHat Enterprise Linux Server Aus: 6.2
• RedHat Enterprise Linux Workstation: 5.0, 6.0
• RedHat Storage: 2.0
• SUSE Linux Enterprise Server 15 SP1: 10-sp4, 11-sp1
• SUSE Linux Enterprise Server: 10-sp4, 11-sp1
• SUSE Linux Enterprise Software Development Kit: 10-sp4, 11-sp1

How to fix

Upgrade to a fixed version: Mozilla Firefox 13.0; Mozilla Seamonkey 2.10; Mozilla Thunderbird 13.0. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00012.html
• http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00015.html
• http://rhn.redhat.com/errata/RHSA-2012-0710.html
• http://rhn.redhat.com/errata/RHSA-2012-0715.html
• http://www.mandriva.com/security/advisories?name=MDVSA-2012:088
• http://www.mozilla.org/security/announce/2012/mfsa2012-34.html
• http://www.securityfocus.com/bid/53796
• https://bugzilla.mozilla.org/show_bug.cgi?id=670317
• https://bugzilla.mozilla.org/show_bug.cgi?id=699594
• https://bugzilla.mozilla.org/show_bug.cgi?id=708688
• https://bugzilla.mozilla.org/show_bug.cgi?id=716067
• https://bugzilla.mozilla.org/show_bug.cgi?id=718852

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