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CVE-2012-1139

28
FAUCET Score

CVE-2012-1139 describes an array index error in FreeType before version 2.4.9, impacting products like Mozilla Firefox Mobile before 10.0.4. This vulnerability, rated with a CVSS score of 9.3 (critical), allows remote attackers to cause a denial of service or potentially execute arbitrary code through crafted glyph data in BDF fonts. While highly severe, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

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

9.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.81%
Probability of exploitation in next 30 days
EPSS Percentile
88.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0381 is in the 51st percentile among its peer group of 8,914 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 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 0.1 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-2012-1139Low

freetype: data buffer underflow in BDF parser _bdf_parse_glyphs() (#35656)

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