CVE-2015-8391Improper Restriction of Operations within the Bounds of a Memory Buffer in Pcre

Severity
9.8CRITICALNVD
EPSS
6.4%
top 8.94%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 2
Latest updateMay 14

Description

The pcre_compile function in pcre_compile.c in PCRE before 8.38 mishandles certain [: nesting, which allows remote attackers to cause a denial of service (CPU consumption) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages6 packages

NVDpcre/pcre< 8.38
NVDphp/php5.5.05.5.32+2

Also affects: Fedora 22, Enterprise Linux 7.2, 7.3, 7.4, 7.5, 7.6, 7.7

🔴Vulnerability Details

3
GHSA
GHSA-86ch-fq45-3c2j: The pcre_compile function in pcre_compile2022-05-14
CVEList
CVE-2015-8391: The pcre_compile function in pcre_compile2015-12-02
OSV
CVE-2015-8391: The pcre_compile function in pcre_compile2015-12-02

💥Exploits & PoCs

1
Exploit-DB
Sendio ESP - Information Disclosure2015-05-26

📋Vendor Advisories

3
Ubuntu
PCRE vulnerabilities2016-03-29
Red Hat
pcre: inefficient posix character class syntax check (8.38/16)2015-11-23
Debian
CVE-2015-8391: pcre3 - The pcre_compile function in pcre_compile.c in PCRE before 8.38 mishandles certa...2015

💬Community

5
Bugzilla
CVE-2015-8391 glib2: pcre: Some pathological patterns causes pcre_compile() to run for a very long time [fedora-all]2015-12-02
Bugzilla
CVE-2015-8391 mingw-pcre: pcre: Some pathological patterns causes pcre_compile() to run for a very long time [fedora-all]2015-12-02
Bugzilla
CVE-2015-8391 mingw-pcre: pcre: Some pathological patterns causes pcre_compile() to run for a very long time [epel-7]2015-12-02
Bugzilla
CVE-2015-8391 pcre: Some pathological patterns causes pcre_compile() to run for a very long time [fedora-all]2015-12-02
Bugzilla
CVE-2015-8391 pcre: inefficient posix character class syntax check (8.38/16)2015-12-02
CVE-2015-8391 — Pcre vulnerability | cvebase