CVE-2014-9769

Publication date 29 March 2016

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

pcre_jit_compile.c in PCRE 8.35 does not properly use table jumps to optimize nested alternatives, which allows remote attackers to cause a denial of service (stack memory corruption) or possibly have unspecified other impact via a crafted string, as demonstrated by packets encountered by Suricata during use of a regular expression in an Emerging Threats Open ruleset.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
pcre3	17.04 zesty	Not affected
	16.10 yakkety	Not affected
	16.04 LTS xenial	Not affected
	15.10 wily	Fixed 2:8.35-7.1ubuntu1.3
	14.04 LTS trusty	Not affected
	12.04 LTS precise	Not affected

Notes

mdeslaur

introduced by http://vcs.pcre.org/pcre?view=revision&revision=1434 in 8.35

Patch details

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

Package	Patch details
pcre3	Upstream: http://vcs.pcre.org/pcre?view=revision&revision=1475

Severity score breakdown

Parameter	Value
Base score	7.3 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity impact	Low
Availability impact	Low
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L