Buffer overflow in Pcre Perl_compatible_regular_expression_library
CVE-2015-2327
PCRE before 8.36 mishandles the /(((a\2)|(a*)\g<-1>))*/ pattern and related patterns with certain internal recursive back references, which allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecif…
Vulnerability class: Buffer Overflow
EPSS: 0.028 (86.4th percentile) — read the EPSS interpretation.
Affected products
- Pcre Perl_compatible_regular_expression_library
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- [oss-security] 20151128 Re: Heap Overflow in PCRE (mailing-list, x_refsource_MLIST)
- cve@mitre.org (x_refsource_MISC)
- 74924 (vdb-entry, x_refsource_BID)
- RHSA-2016:2750 (x_refsource_REDHAT, vendor-advisory)
- cve@mitre.org (x_refsource_CONFIRM, Exploit)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (x_refsource_CONFIRM, Exploit)
Frequently asked questions
- What is CVE-2015-2327?
- CVE-2015-2327 is a vulnerability in Pcre Perl_compatible_regular_expression_library, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2015-12-02.
- Is CVE-2015-2327 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.