CVE-2015-8384: pcre perl_compatible_regular_expression_library

Vulnerability summary

CVE-2015-8384 is a high (CVSS 7.5) vulnerability in pcre perl_compatible_regular_expression_library. EPSS estimates a 3.40% chance of exploitation in the next 30 days, higher than 88.7% of scored vulnerabilities.

Timeline

1. 02-12-2015
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

Description

PCRE before 8.38 mishandles the /(?J)(?'d'(?'d'\g{d}))/ pattern and related patterns with certain recursive back references, which allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror, a related issue to CVE-2015-8392 and CVE-2015-8395.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.