CVE-2012-1143

CVE-2012-1143 is a medium-severity vulnerability in Freetype with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.3)
• EPSS exploit prediction: 2% (72nd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-189
• Affected product: Freetype
• Published: 2012-04-25
• Last modified: 2026-06-16

Description

FreeType before 2.4.9, as used in Mozilla Firefox Mobile before 10.0.4 and other products, allows remote attackers to cause a denial of service (divide-by-zero error) via a crafted font.

Frequently asked questions

What is CVE-2012-1143?

FreeType before 2.4.9, as used in Mozilla Firefox Mobile before 10.0.4 and other products, allows remote attackers to cause a denial of service (divide-by-zero error) via a crafted font.

How severe is CVE-2012-1143?

CVE-2012-1143 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-1143 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-1143?

CVE-2012-1143 primarily affects Freetype. In total, 62 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-1143?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-1143 published?

CVE-2012-1143 was published on 2012-04-25 and last updated on 2026-06-16.

References

• http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html
• http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00002.html
• http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00003.html
• http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00015.html
• http://rhn.redhat.com/errata/RHSA-2012-0467.html
• http://secunia.com/advisories/48508
• http://secunia.com/advisories/48758
• http://secunia.com/advisories/48797
• http://secunia.com/advisories/48822
• http://secunia.com/advisories/48918
• http://secunia.com/advisories/48951
• http://secunia.com/advisories/48973
• http://security.gentoo.org/glsa/glsa-201204-04.xml
• http://support.apple.com/kb/HT5503
• http://www.mandriva.com/security/advisories?name=MDVSA-2012:057
• http://www.mozilla.org/security/announce/2012/mfsa2012-21.html
• http://www.openwall.com/lists/oss-security/2012/03/06/16
• http://www.securityfocus.com/bid/52318
• http://www.securitytracker.com/id?1026765
• http://www.ubuntu.com/usn/USN-1403-1
• https://bugzilla.mozilla.org/show_bug.cgi?id=733512
• https://bugzilla.redhat.com/show_bug.cgi?id=800606

Affected products (62)

• cpe:2.3:a:freetype:freetype:*:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:1.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.0.9:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.1:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.1.4:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.1.5:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.1.6:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.1.7:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.1.8:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.1.8:rc1:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.1.9:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.1.10:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.3.2:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.3.3:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.3.4:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.3.5:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.3.6:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.3.7:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.3.8:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.3.9:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.3.10:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.3.11:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.3.12:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.4.0:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.4.1:*:*:*:*:*:*:*
• cpe:2.3:a:freetype:freetype:2.4.2:*:*:*:*:*:*:*

More vulnerabilities in Freetype

• CVE-2012-1126 — Critical (CVSS 10.0): FreeType before 2.4.9, as used in Mozilla Firefox Mobile before 10.0.4 and other products, allows remote attackers to…
• CVE-2022-27404 — Critical (CVSS 9.8): FreeType commit 1e2eb65048f75c64b68708efed6ce904c31f3b2f was discovered to contain a heap buffer overflow via the…
• CVE-2015-9290 — Critical (CVSS 9.8): In FreeType before 2.6.1, a buffer over-read occurs in type1/t1parse.c on function T1_Get_Private_Dict where there is…
• CVE-2017-8287 — Critical (CVSS 9.8): FreeType 2 before 2017-03-26 has an out-of-bounds write caused by a heap-based buffer overflow related to the…
• CVE-2017-8105 — Critical (CVSS 9.8): FreeType 2 before 2017-03-24 has an out-of-bounds write caused by a heap-based buffer overflow related to the…
• CVE-2017-7864 — Critical (CVSS 9.8): FreeType 2 before 2017-02-02 has an out-of-bounds write caused by a heap-based buffer overflow related to the…

All CVEs affecting Freetype →

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• CVE-2015-6575 — Critical (CVSS 10.0): SampleTable.cpp in libstagefright in Android before 5.1.1 LMY48I does not properly consider integer promotion, which…
• CVE-2015-3864 — Critical (CVSS 10.0): Integer underflow in the MPEG4Extractor::parseChunk function in MPEG4Extractor.cpp in libstagefright in mediaserver in…
• CVE-2015-3836 — Critical (CVSS 10.0): The Parse_wave function in arm-wt-22k/lib_src/eas_mdls.c in the Sonivox DLS-to-EAS converter in Android before 5.1.1…
• CVE-2015-3834 — Critical (CVSS 10.0): Multiple integer overflows in the BnHDCP::onTransact function in media/libmedia/IHDCP.cpp in libstagefright in Android…

Browse all CWE-189 (Numeric Errors) vulnerabilities →