CVE-2011-3256
published 2011-10-14CVE-2011-3256: FreeType 2 before 2.4.7, as used in CoreGraphics in Apple iOS before 5, Mandriva Enterprise Server 5, and possibly other products, allows remote attackers to…
PriorityP431medium4.3CVSS 2.0
AVNACMAuNCNIPAN
EPSS
4.14%
89.8th percentile
FreeType 2 before 2.4.7, as used in CoreGraphics in Apple iOS before 5, Mandriva Enterprise Server 5, and possibly other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted font, a different vulnerability than CVE-2011-0226.
Affected
24 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | iphone_os | — | — |
| apple | iphone_os | — | — |
| apple | iphone_os | — | — |
| apple | iphone_os | — | — |
| apple | iphone_os | — | — |
| apple | iphone_os | — | — |
| apple | iphone_os | — | — |
| apple | iphone_os | — | — |
| apple | iphone_os | — | — |
| apple | iphone_os | — | — |
| apple | iphone_os | — | — |
| apple | iphone_os | — | — |
| apple | iphone_os | — | — |
| apple | iphone_os | — | — |
| apple | iphone_os | — | — |
| apple | iphone_os | — | — |
| apple | iphone_os | — | — |
| apple | iphone_os | — | — |
| apple | iphone_os | — | — |
| debian | freetype | < freetype 2.4.7-1 (bookworm) | freetype 2.4.7-1 (bookworm) |
| freetype | freetype | >= 0 < 2.4.7-1 | 2.4.7-1 |
| freetype | freetype | >= 0 < 2.4.7-1 | 2.4.7-1 |
| freetype | freetype | >= 0 < 2.4.7-1 | 2.4.7-1 |
| freetype | freetype | >= 0 < 2.4.7-1 | 2.4.7-1 |
CVSS provenance
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
osv9.3CRITICAL
vendor_debian9.3CRITICAL
vendor_redhat9.3CRITICAL
vendor_ubuntu4.3MEDIUM
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GHSA
GHSA-mjq4-j36x-7h6p: FreeType 2 before 2
ghsa_unreviewed·2022-05-17·CVSS 9.3
CVE-2011-3256 [CRITICAL] CWE-94 GHSA-mjq4-j36x-7h6p: FreeType 2 before 2
FreeType 2 before 2.4.7, as used in CoreGraphics in Apple iOS before 5, Mandriva Enterprise Server 5, and possibly other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted font, a different vulnerability than CVE-2011-0226.
OSV
CVE-2011-3256: FreeType 2 before 2
osv·2011-10-14·CVSS 9.3
CVE-2011-3256 [CRITICAL] CVE-2011-3256: FreeType 2 before 2
FreeType 2 before 2.4.7, as used in CoreGraphics in Apple iOS before 5, Mandriva Enterprise Server 5, and possibly other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted font, a different vulnerability than CVE-2011-0226.
Ubuntu
FreeType vulnerabilities
vendor_ubuntu·2011-11-18·CVSS 4.3
CVE-2011-3256 [MEDIUM] FreeType vulnerabilities
Title: FreeType vulnerabilities
Summary: FreeType could be made to crash or run programs as your login if it
opened a specially crafted font file.
It was discovered that FreeType did not correctly handle certain malformed
Type 1 font files. If a user were tricked into using a specially crafted
font file, a remote attacker could cause FreeType to crash or possibly
execute arbitrary code with user privileges. (CVE-2011-3256)
It was discovered that FreeType did not correctly handle certain malformed
CID-keyed PostScript font files. If a user were tricked into using a specially
crafted font file, a remote attacker could cause FreeType to crash or possibly
execute arbitrary code with user privileges. (CVE-2011-3439)
Instructions: After a standard system update you need to restart your sessi
Red Hat
freetype: FT_Bitmap_New integer overflow, FreeType TT_Vary_Get_Glyph_Deltas improper input validation
vendor_redhat·2011-10-12·CVSS 9.3
CVE-2011-3256 [CRITICAL] CWE-190 freetype: FT_Bitmap_New integer overflow, FreeType TT_Vary_Get_Glyph_Deltas improper input validation
freetype: FT_Bitmap_New integer overflow, FreeType TT_Vary_Get_Glyph_Deltas improper input validation
FreeType 2 before 2.4.7, as used in CoreGraphics in Apple iOS before 5, Mandriva Enterprise Server 5, and possibly other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted font, a different vulnerability than CVE-2011-0226.
Debian
CVE-2011-3256: freetype - FreeType 2 before 2.4.7, as used in CoreGraphics in Apple iOS before 5, Mandriva...
vendor_debian·2011·CVSS 9.3
CVE-2011-3256 [CRITICAL] CVE-2011-3256: freetype - FreeType 2 before 2.4.7, as used in CoreGraphics in Apple iOS before 5, Mandriva...
FreeType 2 before 2.4.7, as used in CoreGraphics in Apple iOS before 5, Mandriva Enterprise Server 5, and possibly other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted font, a different vulnerability than CVE-2011-0226.
Scope: local
bookworm: resolved (fixed in 2.4.7-1)
bullseye: resolved (fixed in 2.4.7-1)
forky: resolved (fixed in 2.4.7-1)
sid: resolved (fixed in 2.4.7-1)
trixie: resolved (fixed in 2.4.7-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2011-3256 FreeType FT_Bitmap_New integer overflow to buffer overflow, FreeType TT_Vary_Get_Glyph_Deltas improper input validation [fedora-all]
bugzilla·2011-10-26·CVSS 4.3
CVE-2011-3256 [MEDIUM] CVE-2011-3256 FreeType FT_Bitmap_New integer overflow to buffer overflow, FreeType TT_Vary_Get_Glyph_Deltas improper input validation [fedora-all]
CVE-2011-3256 FreeType FT_Bitmap_New integer overflow to buffer overflow, FreeType TT_Vary_Get_Glyph_Deltas improper input validation [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected Fedora
versions.
For comments that are specific to the vulnerability please use bugs filed
against "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When creating a Bodhi update request, please include the bug IDs of the
respective parent bugs filed against the "Security Response" product.
Please mention CVE ids in the RPM changelog when available.
Bodhi update submission link:
https://admin.fedoraproject.org/updates/n
Bugzilla
CVE-2011-3256 freetype: FT_Bitmap_New integer overflow to buffer overflow, FreeType TT_Vary_Get_Glyph_Deltas improper input validation [fedora-16]
bugzilla·2011-10-26·CVSS 4.3
CVE-2011-3256 [MEDIUM] CVE-2011-3256 freetype: FT_Bitmap_New integer overflow to buffer overflow, FreeType TT_Vary_Get_Glyph_Deltas improper input validation [fedora-16]
CVE-2011-3256 freetype: FT_Bitmap_New integer overflow to buffer overflow, FreeType TT_Vary_Get_Glyph_Deltas improper input validation [fedora-16]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected Fedora
versions.
For comments that are specific to the vulnerability please use bugs filed
against "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When creating a Bodhi update request, please include the bug IDs of the
respective parent bugs filed against the "Security Response" product.
Please mention CVE ids in the RPM changelog when available.
Bodhi update submission link:
https://admin.fedoraproject.org/updates/n
Bugzilla
CVE-2011-3256 freetype: FT_Bitmap_New integer overflow, FreeType TT_Vary_Get_Glyph_Deltas improper input validation
bugzilla·2011-10-14·CVSS 4.3
CVE-2011-3256 [MEDIUM] CVE-2011-3256 freetype: FT_Bitmap_New integer overflow, FreeType TT_Vary_Get_Glyph_Deltas improper input validation
CVE-2011-3256 freetype: FT_Bitmap_New integer overflow, FreeType TT_Vary_Get_Glyph_Deltas improper input validation
Common Vulnerabilities and Exposures assigned an identifier CVE-2011-3256 to
the following vulnerability:
FreeType in CoreGraphics in Apple iOS before 5 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted font.
References:
[1] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3256
[2] http://support.apple.com/kb/HT4999
[3] http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html
Relevant upstream patch:
[4] http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=9c98fbf634a83c6ea286395f0e788956eafd5aeb
Discussion:
Corrected in v2.4.7 upstream release:
[5] http://sourceforge.net
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.htmlhttp://lists.apple.com/archives/security-announce/2012/Feb/msg00000.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2011-November/069100.htmlhttp://lists.opensuse.org/opensuse-security-announce/2011-12/msg00008.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-01/msg00003.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-01/msg00012.htmlhttp://secunia.com/advisories/48951http://support.apple.com/kb/HT4999http://support.apple.com/kb/HT5130http://www.debian.org/security/2011/dsa-2328http://www.mandriva.com/security/advisories?name=MDVSA-2011:157http://www.securityfocus.com/bid/50155https://exchange.xforce.ibmcloud.com/vulnerabilities/70552https://sourceforge.net/projects/freetype/files/freetype2/2.4.7/README/viewhttp://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.htmlhttp://lists.apple.com/archives/security-announce/2012/Feb/msg00000.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2011-November/069100.htmlhttp://lists.opensuse.org/opensuse-security-announce/2011-12/msg00008.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-01/msg00003.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-01/msg00012.htmlhttp://secunia.com/advisories/48951http://support.apple.com/kb/HT4999http://support.apple.com/kb/HT5130http://www.debian.org/security/2011/dsa-2328http://www.mandriva.com/security/advisories?name=MDVSA-2011:157http://www.securityfocus.com/bid/50155https://exchange.xforce.ibmcloud.com/vulnerabilities/70552https://sourceforge.net/projects/freetype/files/freetype2/2.4.7/README/view
2011-10-14
Published