freetype: postscript type1 font parsing vulnerability
Published Jul 19, 2011
9.3
HIGHCVSS 2.0
EPSS 6.65%
Description
Integer signedness error in psaux/t1decode.c in FreeType before 2.4.6, as used in CoreGraphics in Apple iOS before 4.2.9 and 4.3.x before 4.3.4 and other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted Type 1 font in a PDF document, as exploited in the wild in July 2011.
Affected products
No data.
- ≤ 2.4.5
- 2.2.1
- 2.2.10
- 2.3.0
- 2.3.1
- 2.3.2
- 2.3.3
- 2.3.4
- 2.3.5
- 2.3.6
- 2.3.7
- 2.3.8
- 2.3.9
- 2.3.10
- 2.3.11
- 2.3.12
- 2.4.0
- 2.4.1
- 2.4.2
- 2.4.3
- 2.4.4
- ≤ 4.2.8
- 1.0.0
- 1.0.1
- 1.0.2
- 1.1.0
- 1.1.1
- 1.1.2
- 1.1.3
- 1.1.4
- 1.1.5
- 2.0
- 2.0.0
- 2.0.1
- 2.0.2
- 2.1
- 2.1.1
- 2.2
- 2.2.1
- 3.0
- 3.0.1
- 3.1
- 3.1.2
- 3.1.3
- 3.2
- 3.2.1
- 3.2.2
- 4.0
- 4.0.1
- 4.0.2
- 4.1
- 4.2
- 4.2.1
- 4.2.5
- 4.3.0
- 4.3.1
- 4.3.2
- 4.3.3
No data.
Red Hat Enterprise Linux 6
freetype-0:2.3.11-6.el6_1.6
Fixed · RHSA-2011:1085
Red Hat Enterprise Linux 4
freetype
Not affected
Red Hat Enterprise Linux 5
freetype
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | freetype-0:2.3.11-6.el6_1.6 | Fixed | RHSA-2011:1085 |
| Red Hat Enterprise Linux 4 | freetype | Not affected | n/a |
| Red Hat Enterprise Linux 5 | freetype | 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:C/I:C/A:C
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.65% (0.06646) | 93.67th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.65% (0.06646) | 93.00th | v5 (v2026.06.15) |
| Jan 18, 2026 | 10.65% (0.10653) | 93.08th | v4 (v2025.03.14) |
| May 15, 2025 | 8.45% (0.08450) | 91.85th | v4 (v2025.03.14) |
| Mar 30, 2025 | 10.94% (0.10943) | 92.77th | v4 (v2025.03.14) |
| Mar 29, 2025 | 16.99% (0.16991) | 91.68th | v4 (v2025.03.14) |
| Mar 17, 2025 | 10.94% (0.10943) | 92.87th | v4 (v2025.03.14) |
| Dec 17, 2024 | 4.61% (0.04609) | 92.45th | v3 (v2023.03.01) |
| Jan 17, 2024 | 5.83% (0.05830) | 92.65th | v3 (v2023.03.01) |
| Jun 14, 2023 | 5.03% (0.05031) | 91.72th | v3 (v2023.03.01) |
| Mar 7, 2023 | 6.88% (0.06875) | 92.78th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.15% (0.06154) | 90.67th | v2 (v2022.01.01) |
| Apr 1, 2022 | 6.15% (0.06154) | 89.80th | v2 (v2022.01.01) |
| Feb 4, 2022 | 6.15% (0.06154) | 77.65th | v2 (v2022.01.01) |
References (24)
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html vendor-advisoryx_refsource_APPLE
- http://lists.apple.com/archives/security-announce/2011//Jul/msg00000.html vendor-advisoryx_refsource_APPLEVendor Advisory
- http://lists.apple.com/archives/security-announce/2011//Jul/msg00001.html vendor-advisoryx_refsource_APPLEVendor Advisory
- http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00014.html mailing-listx_refsource_MLIST
- http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00015.html mailing-listx_refsource_MLIST
- http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00020.html mailing-listx_refsource_MLIST
- http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00026.html mailing-listx_refsource_MLIST
- http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00028.html mailing-listx_refsource_MLIST
- http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00015.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00016.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/45167 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/45224 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://support.apple.com/kb/HT4802 x_refsource_CONFIRMVendor Advisory
- http://support.apple.com/kb/HT4803 x_refsource_CONFIRMVendor Advisory
- http://support.apple.com/kb/HT5002 x_refsource_CONFIRM
- http://www.appleinsider.com/articles/11/07/06/hackers_release_new_browser_based_ios_jailbreak_based_on_pdf_exploit.html x_refsource_MISC
- http://www.debian.org/security/2011/dsa-2294 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:120 vendor-advisoryx_refsource_MANDRIVA
- http://www.redhat.com/support/errata/RHSA-2011-1085.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/48619 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2011-0226 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=722701 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2011-0226
- https://www.cve.org/CVERecord?id=CVE-2011-0226
Change history (0)
No recorded changes yet.