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Vulnerability details: VCID-mcdx-7486-67c1
Vulnerability ID VCID-mcdx-7486-67c1
Aliases CVE-2015-2326
Summary 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))/".
Status Published
Exploitability 0.5
Weighted Severity 5.0
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-125 Out-of-bounds Read
System Score Found at
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2015-2326
cvssv2 6.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2015-2326
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2015-2326
Reference id Reference type URL
http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2015-2326.json
https://api.first.org/data/v1/epss?cve=CVE-2015-2326
https://bugs.exim.org/show_bug.cgi?id=1592
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2326
https://fortiguard.com/zeroday/FG-VD-15-016
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://www.pcre.org/original/changelog.txt
1207202 https://bugzilla.redhat.com/show_bug.cgi?id=1207202
783285 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=783285
cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
cpe:2.3:a:pcre:pcre:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:pcre:pcre:*:*:*:*:*:*:*:*
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
CVE-2015-2326 https://nvd.nist.gov/vuln/detail/CVE-2015-2326
RHSA-2016:2750 https://access.redhat.com/errata/RHSA-2016:2750
USN-2694-1 https://usn.ubuntu.com/2694-1/
USN-2943-1 https://usn.ubuntu.com/2943-1/
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2015-2326
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2015-2326
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.49457
EPSS Score 0.00262
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:39:36.039108+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/2943-1/ 37.0.0