CVE-2012-4216 — Use After Free in Mozilla Firefox

CWE-416 — Use After FreeCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer7 documents6 sources
Severity
9.3CRITICALNVD
EPSS
4.1%
top 11.37%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
14
Mozilla FirefoxMozilla SeamonkeyMozilla Thunderbird+11 more
Timeline
PublishedNov 21
Latest updateMay 13

Description

Use-after-free vulnerability in the gfxFont::GetFontEntry 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.

CVSS vector

AV:N/AC:M/C:C/I:C/A:CExploitability: 8.6 | Impact: 10.0

Affected Packages11 packages

▶NVDmozilla/firefox10.0 — 10.0.11+1
▶NVDmozilla/thunderbird_esr10.0 — 10.0.11
▶NVDmozilla/seamonkey< 2.14
▶NVDopensuse/opensuse11.4, 12.1, 12.2+2

Also affects: Debian Linux 6.0, 7.0, Ubuntu Linux 10.04, 11.10, 12.04, 12.10, Enterprise Linux 6.3

Patches

Patch: bugzilla.mozilla.org ↗Patch: bugzilla.mozilla.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-pv6w-73jg-c3fq: Use-after-free vulnerability in the gfxFont::GetFontEntry function in Mozilla Firefox before 17↗2022-05-13
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CVEList
CVE-2012-4216: Use-after-free vulnerability in the gfxFont::GetFontEntry function in Mozilla Firefox before 17↗2012-11-21
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📋Vendor Advisories

3
Ubuntu
Firefox vulnerabilities↗2012-11-21
▶
Ubuntu
Thunderbird vulnerabilities↗2012-11-21
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Red Hat
Mozilla: Use-after-free and buffer overflow issues found using Address Sanitizer (MFSA 2012-105)↗2012-11-20
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💬Community

1
Bugzilla
CVE-2012-4214 CVE-2012-4215 CVE-2012-4216 CVE-2012-5829 CVE-2012-5839 CVE-2012-5840 Mozilla: Use-after-free and buffer overflow issues found using Address Sanitizer (MFSA 2012-105)↗2012-11-17
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CVE-2012-4216 — Use After Free in Mozilla Firefox | cvebase