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Fencer Intel
medium 4.3

CVE-2011-1554 json

Off-by-one error in t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6, teTeX, and other products, allows remote attackers to cause a…

published 2011-03-31 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-1555

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.4%
EPSS 5.4% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Off-by-one error in t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6, teTeX, and other products, allows remote attackers to cause a denial of service (application crash) via a PDF document containing a crafted Type 1 font that triggers an invalid memory read, integer overflow, and invalid pointer dereference, a different vulnerability than CVE-2011-0764.

Patch / fix

  • xpdf Debian 14, Debian 13, Debian 12 3.02-9

debian advisories DEBIAN-CVE-2011-1554

  • tetex RHEL 5 3.0-33.15.el5_8.1
  • tetex-afm RHEL 5 3.0-33.15.el5_8.1
  • tetex-xdvi RHEL 5 3.0-33.15.el5_8.1
  • tetex-dvips RHEL 5 3.0-33.15.el5_8.1
  • tetex-fonts RHEL 5 3.0-33.15.el5_8.1
  • tetex-latex RHEL 5 3.0-33.15.el5_8.1
  • texlive RHEL 6 2007-57.el6_2
  • mendexk RHEL 6 2.6e-57.el6_2

red hat advisories RHSA-2012:1201RHSA-2012:0137RHSA-2012:0062

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2011-1554 updated cvss 6.8

t1lib: Off-by-one via crafted Type 1 font

  • Red Hat Enterprise Linux 4 tetex
    affected: no fix available
  • Red Hat Enterprise Linux (v. 5 server) tetex 3.0-33.15.el5_8.1, tetex-afm 3.0-33.15.el5_8.1, tetex-xdvi 3.0-33.15.el5_8.1, tetex-dvips 3.0-33.15.el5_8.1, tetex-fonts 3.0-33.15.el5_8.1, tetex-latex 3.0-33.15.el5_8.1 Red Hat Enterprise Linux Desktop (v. 5 client) tetex 3.0-33.15.el5_8.1, tetex-afm 3.0-33.15.el5_8.1, tetex-xdvi 3.0-33.15.el5_8.1, tetex-dvips 3.0-33.15.el5_8.1, tetex-fonts 3.0-33.15.el5_8.1, tetex-latex 3.0-33.15.el5_8.1
    fixed: vendor fix RHSA-2012:1201
  • Red Hat Enterprise Linux Desktop (v. 6) t1lib 5.1.2-6.el6_2.1, texlive 2007-57.el6_2, kpathsea 2007-57.el6_2, texlive-dvips 2007-57.el6_2, texlive-latex 2007-57.el6_2, texlive-utils 2007-57.el6_2 Red Hat Enterprise Linux Desktop Optional (v. 6) mendexk 2.6e-57.el6_2, t1lib 5.1.2-6.el6_2.1, texlive 2007-57.el6_2, kpathsea 2007-57.el6_2, texlive-afm 2007-57.el6_2, t1lib-apps 5.1.2-6.el6_2.1, +4 more Red Hat Enterprise Linux HPC Node Optional (v. 6) mendexk 2.6e-57.el6_2, t1lib 5.1.2-6.el6_2.1, texlive 2007-57.el6_2, kpathsea 2007-57.el6_2, texlive-afm 2007-57.el6_2, t1lib-apps 5.1.2-6.el6_2.1, +7 more Red Hat Enterprise Linux Server (v. 6) t1lib 5.1.2-6.el6_2.1, texlive 2007-57.el6_2, kpathsea 2007-57.el6_2, texlive-dvips 2007-57.el6_2, texlive-latex 2007-57.el6_2, texlive-utils 2007-57.el6_2 Red Hat Enterprise Linux Server Optional (v. 6) mendexk 2.6e-57.el6_2, t1lib 5.1.2-6.el6_2.1, texlive 2007-57.el6_2, kpathsea 2007-57.el6_2, texlive-afm 2007-57.el6_2, t1lib-apps 5.1.2-6.el6_2.1, +4 more Red Hat Enterprise Linux Workstation (v. 6) t1lib 5.1.2-6.el6_2.1, texlive 2007-57.el6_2, kpathsea 2007-57.el6_2, texlive-dvips 2007-57.el6_2, texlive-latex 2007-57.el6_2, texlive-utils 2007-57.el6_2
    +1 more products
    Red Hat Enterprise Linux Workstation Optional (v. 6) mendexk 2.6e-57.el6_2, t1lib 5.1.2-6.el6_2.1, texlive 2007-57.el6_2, kpathsea 2007-57.el6_2, texlive-afm 2007-57.el6_2, t1lib-apps 5.1.2-6.el6_2.1, +4 more
    fixed: vendor fix RHSA-2012:0137
  • Red Hat Enterprise Linux 4 xpdf
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

5.42% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.