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CVE-2012-1143

17
FAUCET Score

CVE-2012-1143 describes a denial-of-service vulnerability in FreeType before version 2.4.9, impacting products like Mozilla Firefox Mobile. This flaw allows remote attackers to trigger a divide-by-zero error using a specially crafted font. The vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and potential for partial denial of service, with no impact on confidentiality or integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.4.8CPE matchmatch criteria
cpe:2.3:a:freetype:freetype:*:*:*:*:*:*:*:*
1.3.1CPE matchmatch criteria
cpe:2.3:a:freetype:freetype:1.3.1:*:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:freetype:freetype:2.0.0:*:*:*:*:*:*:*
2.0.1CPE matchmatch criteria
cpe:2.3:a:freetype:freetype:2.0.1:*:*:*:*:*:*:*
2.0.2CPE matchmatch criteria
cpe:2.3:a:freetype:freetype:2.0.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.57%
Probability of exploitation in next 30 days
EPSS Percentile
72.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0157 is in the 48th percentile among its peer group of 19,953 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: freetype-0:2.2.1-31.el5_8.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: freetype-0:2.3.11-6.el6_2.9
View patch
mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2012-1143Low

freetype: integer divide by zero in FT_DivFix() (#35660)

Feb 28, 2012

References

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