CVE-2014-9769

HIGH

PCRE 8.35 - Denial of Service via Nested Alternatives Optimization

Title source: llm
STIX 2.1

Description

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.

References (6)

Core 6
Core References
Various Sources x_refsource_confirm
http://vcs.pcre.org/pcre?view=revision&revision=1475
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/85570
Issue Tracking x_refsource_confirm
https://redmine.openinfosecfoundation.org/issues/1693
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1035424
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/03/26/1
Issue Tracking x_refsource_confirm
https://bugs.debian.org/819050

Scores

CVSS v3 7.3
EPSS 0.0235
EPSS Percentile 81.7%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Details

CWE
CWE-119
Status published
Products (1)
pcre/pcre 8.35
Published Mar 28, 2016
Tracked Since Feb 18, 2026