CVE-2014-9747
First published: Tue Jun 07 2016(Updated: )
The t42_parse_encoding function in type42/t42parse.c in FreeType before 2.5.4 does not properly update the current position for immediates-only mode, which allows remote attackers to cause a denial of service (infinite loop) via a Type42 font.
Credit: security@ubuntu.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FreeType | <=2.5.3 | |
| Debian GNU/Linux | =7.0 | |
| Debian GNU/Linux | =8.0 |
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Reference Links
- http://git.savannah.gnu.org/cgit/freetype/freetype2.git/tree/src/type42/t42parse.c?id=8b281f83e8516535756f92dbf90940ac44bd45e1
- http://www.debian.org/security/2015/dsa-3370
- http://www.openwall.com/lists/oss-security/2015/09/11/4
- http://www.openwall.com/lists/oss-security/2015/09/25/4
- https://savannah.nongnu.org/bugs/?41309
Frequently Asked Questions
What is the severity of CVE-2014-9747?
CVE-2014-9747 has been classified as a denial of service vulnerability.
How do I fix CVE-2014-9747?
To mitigate CVE-2014-9747, upgrade FreeType to version 2.5.4 or later.
Which versions of FreeType are affected by CVE-2014-9747?
FreeType versions before 2.5.4 are vulnerable to CVE-2014-9747.
Is CVE-2014-9747 exploitable remotely?
Yes, CVE-2014-9747 can be exploited by remote attackers by using malicious Type42 fonts.
On which operating systems does CVE-2014-9747 affect FreeType?
CVE-2014-9747 affects FreeType on Debian 7.0 and 8.0.
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- agent/severity
- agent/weakness
- agent/author
- agent/references
- agent/description
- agent/event
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/freetype
- canonical/freetype
- version/freetype/2.5.3
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/7.0
- version/debian gnu/linux/8.0