CVE-2014-9769
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.3 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- EPSS
- 2.35% probability · 83th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- pcre/pcre
- Source
- security@debian.org
References
- http://vcs.pcre.org/pcre?view=revision&revision=1475
- http://www.openwall.com/lists/oss-security/2016/03/26/1
- http://www.securityfocus.com/bid/85570
- http://www.securitytracker.com/id/1035424
- https://bugs.debian.org/819050
- https://redmine.openinfosecfoundation.org/issues/1693
- http://vcs.pcre.org/pcre?view=revision&revision=1475
- http://www.openwall.com/lists/oss-security/2016/03/26/1
- http://www.securityfocus.com/bid/85570
- http://www.securitytracker.com/id/1035424
- https://bugs.debian.org/819050
- https://redmine.openinfosecfoundation.org/issues/1693
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.