Vulnerability in Pcre Perl_compatible_regular_expression_library
CVE-2015-8390
PCRE before 8.38 mishandles the [: and \\ substrings in character classes, which allows remote attackers to cause a denial of service (uninitialized memory read) or possibly have unspecified other impact via a crafted regular expression, a…
EPSS: 0.029 (86.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Pcre Perl_compatible_regular_expression_library
- Php
- Fedoraproject Fedora — versions 22
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- [oss-security] 20151128 Re: Heap Overflow in PCRE (mailing-list, Mailing List, Third Party Advisory)
- 82990 (Third Party Advisory, VDB Entry, vdb-entry)
- FEDORA-2015-eb896290d3 (vendor-advisory, Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Permissions Required, Third Party Advisory)
- cve@mitre.org (Release Notes, Vendor Advisory)
- GLSA-201607-02 (vendor-advisory, Third Party Advisory)
- cve@mitre.org
Frequently asked questions
- What is CVE-2015-8390?
- CVE-2015-8390 is a critical-severity vulnerability in Pcre Perl_compatible_regular_expression_library, classified under Use of Uninitialized Resource. CVSS score: 9.8/10. Published 2015-12-02.
- How severe is CVE-2015-8390?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2015-8390 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.