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CVE-2012-1138

28
FAUCET Score

CVE-2012-1138 describes a critical vulnerability in FreeType before version 2.4.9, impacting products like Mozilla Firefox Mobile before 10.0.4. This flaw allows remote attackers to trigger a denial of service or potentially execute arbitrary code through a malformed TrueType font containing a crafted MIRP instruction. With a CVSS score of 9.3 (AV:N/AC:M/Au:N/C:C/I:C/A:C), it indicates a high-severity vulnerability that can be exploited over a network with medium complexity, leading to complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal 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
4.80%
Probability of exploitation in next 30 days
EPSS Percentile
91.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0480 is in the 57th 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

Vendor Patches (1)

mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2012-1138Low

freetype: heap OOB read in the MIRP instruction implementation in TTF BCI (#35646)

Feb 27, 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
bugzilla.mozilla.org / show_bug.cgi
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/48508
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