CVE-2013-0242

Description

Buffer overflow in the extend_buffers function in the regular expression matcher (posix/regexec.c) in glibc, possibly 2.17 and earlier, allows context-dependent attackers to cause a denial of service (memory corruption and crash) via crafted multibyte characters.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
eglibc	13.10 saucy	Not affected
	13.04 raring	Fixed 2.17-0ubuntu5.1
	12.10 quantal	Fixed 2.15-0ubuntu20.2
	12.04 LTS precise	Fixed 2.15-0ubuntu10.5
	11.10 oneiric	Ignored end of life
	10.04 LTS lucid	Fixed 2.11.1-0ubuntu7.13
	8.04 LTS hardy	Not in release
glibc	13.10 saucy	Not in release
	13.04 raring	Not in release
	12.10 quantal	Not in release
	12.04 LTS precise	Not in release
	11.10 oneiric	Not in release
	10.04 LTS lucid	Not in release
	8.04 LTS hardy	Ignored end of life

Notes

sbeattie

infinity is going to roll this into an SRU that he'll push through the ubuntu-security-proposed ppa

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
eglibc	Upstream: http://sourceware.org/git/?p=glibc.git;a=commit;h=a445af0bc722d620afed7683cd320c0e4c7c6059
glibc	Upstream: http://sourceware.org/git/?p=glibc.git;a=commit;h=a445af0bc722d620afed7683cd320c0e4c7c6059

References

Related Ubuntu Security Notices (USN)

USN-1991-1
GNU C Library vulnerabilities
21 October 2013