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CVE-2011-0764

27
FAUCET Score

CVE-2011-0764 describes a critical vulnerability in t1lib 5.1.2 and earlier, affecting products like Xpdf, teTeX, and others. This flaw, categorized as an invalid pointer dereference, allows remote attackers to execute arbitrary code by tricking a user into opening a specially crafted PDF document containing a malicious Type 1 font. With a CVSS score of 6.8 (medium severity) and a FAUCET Risk Score of 92/100, successful exploitation could lead to partial compromise of confidentiality, integrity, and availability. Despite its age, there is no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.1.2CPE matchmatch criteria
cpe:2.3:a:t1lib:t1lib:*:*:*:*:*:*:*:*
0.1CPE matchmatch criteria
cpe:2.3:a:t1lib:t1lib:0.1:alpha:*:*:*:*:*:*
0.2CPE matchmatch criteria
cpe:2.3:a:t1lib:t1lib:0.2:beta:*:*:*:*:*:*
0.3CPE matchmatch criteria
cpe:2.3:a:t1lib:t1lib:0.3:beta:*:*:*:*:*:*
0.4CPE matchmatch criteria
cpe:2.3:a:t1lib:t1lib:0.4:beta:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
13.05%
Probability of exploitation in next 30 days
EPSS Percentile
95.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.1305 is in the 96th 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 (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: tetex-0:3.0-33.15.el5_8.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: t1lib-0:5.1.2-6.el6_2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: texlive-0:2007-57.el6_2
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: tetex

Vendor Advisories (1)

redhatCVE-2011-0764Moderate

t1lib: Invalid pointer dereference via crafted Type 1 font

Mar 28, 2011

References

rhn.redhat.com / errata/RHSA-2012-1201.html
secunia.com / advisories/43823
Vendor Advisory
secunia.com / advisories/47347
secunia.com / advisories/48985
securityreason.com / securityalert/8171
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/66208
security.gentoo.org / glsa/201701-57
foolabs.com / xpdf/download.html
Patch
kb.cert.org / vuls/id/376500
US Government Resource
kb.cert.org / vuls/id/MAPG-8ECL8X
US Government Resource
mandriva.com / security/advisories
mandriva.com / security/advisories
securityfocus.com / archive/1/517205/100/0/threaded
securityfocus.com / bid/46941
toucan-system.com / advisories/tssa-2011-01.txt
ubuntu.com / usn/USN-1316-1
vupen.com / english/advisories/2011/0728
Vendor Advisory