Is CVE-2012-1938 being actively exploited?

CVE-2012-1938 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-1938?

CVE-2012-1938 has a CVSS 2.0 base score of 9.3 (HIGH).

CVE-2012-1938

HIGH · CVSS 9.3EPSS 4.8%EU EUVD

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.

Key facts

CVSS score: 9.3 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS score: 4.8% (92th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-1947)
Published: June 5, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-1947 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

mozilla / firefox
mozilla / seamonkey
mozilla / thunderbird
opensuse / opensuse
opensuse / opensuse
redhat / enterprise linux desktop
redhat / enterprise linux desktop
redhat / enterprise linux eus
redhat / enterprise linux server
redhat / enterprise linux server
redhat / enterprise linux server aus
redhat / enterprise linux workstation
redhat / enterprise linux workstation
redhat / storage
suse / linux enterprise desktop
suse / linux enterprise desktop
suse / linux enterprise server
suse / linux enterprise server
suse / linux enterprise server
suse / linux enterprise software development kit
suse / linux enterprise software development kit

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Red Hat Enterprise Linux 5 OpenSSH-Server Cryptographic Module - Red Hat®, Inc. - FIPS 140 1384 - historical

References

http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00012.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00015.html(Mailing List, Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2012-0710.html(Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2012-0715.html(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2012:088(Third Party Advisory)
http://www.mozilla.org/security/announce/2012/mfsa2012-34.html(Vendor Advisory)
http://www.securityfocus.com/bid/53796(Third Party Advisory, VDB Entry)
https://bugzilla.mozilla.org/show_bug.cgi?id=670317(Exploit, Issue Tracking, Patch, Vendor Advisory)
https://bugzilla.mozilla.org/show_bug.cgi?id=699594(Issue Tracking, Patch, Vendor Advisory)
https://bugzilla.mozilla.org/show_bug.cgi?id=708688(Issue Tracking, Vendor Advisory)
https://bugzilla.mozilla.org/show_bug.cgi?id=716067(Issue Tracking, Patch, Vendor Advisory)
https://bugzilla.mozilla.org/show_bug.cgi?id=718852(Issue Tracking, Vendor Advisory)
https://bugzilla.mozilla.org/show_bug.cgi?id=723773(Issue Tracking, Patch, Vendor Advisory)
https://bugzilla.mozilla.org/show_bug.cgi?id=723971(Issue Tracking, Patch, Vendor Advisory)
https://bugzilla.mozilla.org/show_bug.cgi?id=730415(Exploit, Issue Tracking, Patch, Vendor Advisory)
https://bugzilla.mozilla.org/show_bug.cgi?id=736012(Exploit, Issue Tracking, Patch, Vendor Advisory)
https://bugzilla.mozilla.org/show_bug.cgi?id=748948(Issue Tracking, Patch, Vendor Advisory)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17058(Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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