CVE-2015-2326
pcre: heap buffer over-read in pcre_compile2() (8.37/23)
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · March 23, 2015
Updated · June 28, 2026
Description
The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a denial of service (out-of-bounds read) via regular expression with a group containing both a forward referencing subroutine call and a recursive back reference, as demonstrated by "((?+1)(\1))/".
Statement
This issue did not affect the versions of pcre as shipped with Red Hat Enterprise Linux 5, 6, and 7.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 4.3AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE-125 · Out-of-bounds Read