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CVE-2012-5840

N/A

Published: November 21, 2012 at 11:00 AM UTC

Updated: June 16, 2026 at 11:47 PM UTC

13 products affected across 5 vendorsUbuntu LinuxFirefoxThunderbird

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Severity

N/A

Exploit prediction

EPSS 6%

Description

Use-after-free vulnerability in the nsTextEditorState::PrepareEditor 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 or cause a denial of service (heap memory corruption) via unspecified vectors, a different vulnerability than CVE-2012-4214.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ubuntu Linux · Canonicalrubygems

95%

10.04 11.10 12.04 12.10

Firefox · Mozilla

95%

v < 10.0.11v < 17.0

Affected range stops below 10.0.11, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.0, so it looks safe — our inference, not a vendor statement

Seamonkey · Mozilla

95%

v < 2.14

Affected range stops below 2.14, so it looks safe — our inference, not a vendor statement

Thunderbird · Mozilla

95%

v < 17.0

Affected range stops below 17.0, so it looks safe — our inference, not a vendor statement

Thunderbird ESR · Mozilla

95%

v < 10.0.11

Affected range stops below 10.0.11, so it looks safe — our inference, not a vendor statement

openSUSE · openSUSE

95%

Enterprise Linux Desktop · Red Hatrubygems

95%

Enterprise Linux Eus · Red Hatrpm

95%

Enterprise Linux Server · Red Hatrubygems

95%

Enterprise Linux Workstation · Red Hatrubygems

95%

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (27)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory

Source: [email protected]

http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.html

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory

Source: [email protected]

http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.html

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory

Source: [email protected]

http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.html

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory

Source: [email protected]

http://lists.opensuse.org/opensuse-updates/2012-11/msg00092.html

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory

Source: [email protected]

http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.html

VDB Entryx_refsource_OSVDBBroken LinkThird Party Advisory

Source: [email protected]

http://osvdb.org/87606

Vendor Advisoryx_refsource_REDHATThird Party Advisory

Source: [email protected]

http://rhn.redhat.com/errata/RHSA-2012-1482.html

Vendor Advisoryx_refsource_REDHATThird Party Advisory

Source: [email protected]

http://rhn.redhat.com/errata/RHSA-2012-1483.html

CVSS

9.3HIGH[email protected]

Confidentiality: COMPLETE
Integrity: COMPLETE
Availability: COMPLETE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-416

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