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CVE-2015-2326

Public on 2015-06-02
Modified on 2015-07-07
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))/".

Severity
Medium
See what this means
CVSS v3 Base Score
4.3
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 php54 2015-06-02 22:20 ALAS-2015-534
Amazon Linux 1 php55 2015-07-07 12:40 ALAS-2015-562
Amazon Linux 1 php56 2015-07-07 12:40 ALAS-2015-563
Amazon Linux 1 php56 2015-06-02 22:22 ALAS-2015-536

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv2 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P
NVD CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD CVSSv2 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P