t1lib: Off-by-one via crafted Type 1 font
Published Mar 31, 2011
4.3
MEDIUMCVSS 2.0
EPSS 5.42%
Description
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.
Affected products
No data.
- ≤ 5.1.2
- 0.1
- 0.2
- 0.3
- 0.4
- 0.5
- 0.6
- 0.7
- 0.8
- 0.9
- 0.9.1
- 0.9.2
- 1.0
- 1.0.1
- 1.1.0
- 1.1.1
- 1.2
- 1.3
- 1.3.1
- 5.0.0
- 5.0.1
- 5.0.2
- 5.1.0
- 5.1.1
- 0.5a
- 0.7a
- 0.91a
- 0.91b
- 0.91c
- 0.92a
- 0.92b
- 0.92c
- 0.92d
- 0.92e
- 0.93a
- 0.93b
- 0.93c
- 1.00a
- 3.0.1
- 3.02pl1
- 3.02pl2
- 3.02pl3
- 3.02pl4
- ≤ 3.02
- 0.2
- 0.3
- 0.4
- 0.5
- 0.6
- 0.7
- 0.80
- 0.90
- 0.91
- 0.92
- 0.93
- 1.00
- 1.01
- 2.00
- 2.01
- 2.02
- 2.03
- 3.00
- 3.01
- 3.02
No data.
Red Hat Enterprise Linux 5
tetex-0:3.0-33.15.el5_8.1
Fixed · RHSA-2012:1201
Red Hat Enterprise Linux 6
t1lib-0:5.1.2-6.el6_2.1
Fixed · RHSA-2012:0062
Red Hat Enterprise Linux 6
texlive-0:2007-57.el6_2
Fixed · RHSA-2012:0137
Red Hat Enterprise Linux 4
tetex
Affected
Red Hat Enterprise Linux 4
xpdf
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | tetex-0:3.0-33.15.el5_8.1 | Fixed | RHSA-2012:1201 |
| Red Hat Enterprise Linux 6 | t1lib-0:5.1.2-6.el6_2.1 | Fixed | RHSA-2012:0062 |
| Red Hat Enterprise Linux 6 | texlive-0:2007-57.el6_2 | Fixed | RHSA-2012:0137 |
| Red Hat Enterprise Linux 4 | tetex | Affected | n/a |
| Red Hat Enterprise Linux 4 | xpdf | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.42% (0.05417) | 92.45th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.42% (0.05417) | 91.64th | v5 (v2026.06.15) |
| Jun 7, 2026 | 4.26% (0.04256) | 89.02th | v4 (v2025.03.14) |
| Mar 30, 2025 | 6.58% (0.06576) | 90.23th | v4 (v2025.03.14) |
| Mar 29, 2025 | 10.39% (0.10390) | 88.59th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.58% (0.06576) | 90.46th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.86% (0.02860) | 91.10th | v3 (v2023.03.01) |
| Feb 27, 2024 | 2.86% (0.02860) | 90.41th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.94% (0.02936) | 89.27th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.41% (0.03407) | 84.65th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.41% (0.03407) | 83.10th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.41% (0.03407) | 66.20th | v2 (v2022.01.01) |
References (17)
- http://rhn.redhat.com/errata/RHSA-2012-1201.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/43823 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/48985 third-party-advisoryx_refsource_SECUNIA
- http://securityreason.com/securityalert/8171 third-party-advisoryx_refsource_SREASON
- http://securitytracker.com/id?1025266 vdb-entryx_refsource_SECTRACK
- http://www.foolabs.com/xpdf/download.html x_refsource_CONFIRMPatch
- http://www.kb.cert.org/vuls/id/376500 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.kb.cert.org/vuls/id/MAPG-8ECL8X x_refsource_CONFIRMUS Government Resource
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:144 vendor-advisoryx_refsource_MANDRIVA
- http://www.securityfocus.com/archive/1/517205/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.toucan-system.com/advisories/tssa-2011-01.txt x_refsource_MISC
- http://www.vupen.com/english/advisories/2011/0728 vdb-entryx_refsource_VUPENVendor Advisory
- https://access.redhat.com/security/cve/CVE-2011-1554 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=692856 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2011-1554
- https://security.gentoo.org/glsa/201701-57 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2011-1554
Change history (0)
No recorded changes yet.