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Vulnerability record · CVE-2011-0764 · published 31 March 2011

CVE-2011-0764: T1lib improper input validation vulnerability

TT1lib · T1lib

t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6, teTeX, and other products, uses an invalid pointer in conjunction with a dereference operation, which allows remote attackers to execute arbitrary code via a crafted Type 1 font in a PDF document, as demonstrated by testz.2184122398.pdf.

6.8 CVSS 2.0 Medium EPSS 13% · top 3.8% CWE-20 · Improper input validation
6.8CVSS 2.0 base score
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
36References
16 Jun 2026Last modified by NVD

Description

t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6, teTeX, and other products, uses an invalid pointer in conjunction with a dereference operation, which allows remote attackers to execute arbitrary code via a crafted Type 1 font in a PDF document, as demonstrated by testz.2184122398.pdf.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://rhn.redhat.com/errata/RHSA-2012-1201.html
http://secunia.com/advisories/43823 Vendor Advisory
http://secunia.com/advisories/47347
http://secunia.com/advisories/48985
http://securityreason.com/securityalert/8171
http://securitytracker.com/id?1025266
http://www.foolabs.com/xpdf/download.html Patch
http://www.kb.cert.org/vuls/id/376500 US Government Resource
http://www.kb.cert.org/vuls/id/MAPG-8ECL8X US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2012:002
http://www.mandriva.com/security/advisories?name=MDVSA-2012:144
http://www.securityfocus.com/archive/1/517205/100/0/threaded
http://www.securityfocus.com/bid/46941
http://www.toucan-system.com/advisories/tssa-2011-01.txt
http://www.ubuntu.com/usn/USN-1316-1
http://www.vupen.com/english/advisories/2011/0728 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/66208
https://security.gentoo.org/glsa/201701-57
http://rhn.redhat.com/errata/RHSA-2012-1201.html
http://secunia.com/advisories/43823 Vendor Advisory
http://secunia.com/advisories/47347
http://secunia.com/advisories/48985
http://securityreason.com/securityalert/8171
http://securitytracker.com/id?1025266
http://www.foolabs.com/xpdf/download.html Patch
http://www.kb.cert.org/vuls/id/376500 US Government Resource
http://www.kb.cert.org/vuls/id/MAPG-8ECL8X US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2012:002
http://www.mandriva.com/security/advisories?name=MDVSA-2012:144
http://www.securityfocus.com/archive/1/517205/100/0/threaded
http://www.securityfocus.com/bid/46941
http://www.toucan-system.com/advisories/tssa-2011-01.txt
http://www.ubuntu.com/usn/USN-1316-1
http://www.vupen.com/english/advisories/2011/0728 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/66208
https://security.gentoo.org/glsa/201701-57

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2011-0764), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.