CVE-2012-4215

CRITICAL 9.3CVE-2012-4215 · Published 21/11/2012 · updated 16/06/2026

In short

CVE-2012-4215 is a CRITICAL (CVSS 9.3) vulnerability affecting firefox (mozilla), seamonkey (mozilla), thunderbird (mozilla).
Chance of exploitation in the next 30 days (EPSS): 6.1%, higher than 93.4% of all vulnerabilities.
Fix: update to 10.0.11, 17.0, 2.14 or later.

Package	Affected versions	Patched versions
firefox mozilla	`< 10.0.11< 17.0`	`10.0.1117.0`
seamonkey mozilla	`< 2.14`	`2.14`
thunderbird mozilla	`< 17.0`	`17.0`
thunderbird esr mozilla	`< 10.0.11`	`10.0.11`

Description

Use-after-free vulnerability in the nsPlaintextEditor::FireClipboardEvent 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.

References

lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.html · Mailing List
lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.html · Mailing List
lists.opensuse.org/opensuse-updates/2012-11/msg00090.html · Mailing List
lists.opensuse.org/opensuse-updates/2012-11/msg00092.html · Mailing List
lists.opensuse.org/opensuse-updates/2012-11/msg00093.html · Mailing List
rhn.redhat.com/errata/RHSA-2012-1482.html · Third Party Advisory
rhn.redhat.com/errata/RHSA-2012-1483.html · Third Party Advisory
secunia.com/advisories/51359 · Third Party Advisory
secunia.com/advisories/51360 · Third Party Advisory
secunia.com/advisories/51369 · Third Party Advisory
secunia.com/advisories/51370 · Third Party Advisory

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