Vulnerability Monitor

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CVE-2015-2305

Integer overflow in the regcomp implementation in the Henry Spencer BSD regex library (aka rxspencer) alpha3.8.g5 on 32-bit platforms, as used in NetBSD through 6.1.5 and other products, might allow context-dependent attackers to execute arbitrary code via a large regular expression that leads to a heap-based buffer overflow.

Security Impact Summary

CVE-2015-2305 is a security vulnerability that . Impacting 5 products from rxspencer_project, from canonical, from debian and 2 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-03-30T10:59:11.663

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.8 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-190

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	rxspencer_project	rxspencer	3.8.g5	Yes
Operating System	canonical	ubuntu_linux	10.04	Yes
Operating System	canonical	ubuntu_linux	12.04	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	14.10	Yes
Operating System	canonical	ubuntu_linux	15.04	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	opensuse	opensuse	13.1	Yes
Operating System	opensuse	opensuse	13.2	Yes
Application	php	php	< 5.4.39	Yes
Application	php	php	< 5.5.23	Yes
Application	php	php	< 5.6.7	Yes

References

http://blog.clamav.net/2015/04/clamav-0987-has-been-released.html Third Party Advisory ([email protected])
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00005.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00026.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-updates/2015-04/msg00002.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-updates/2015-05/msg00024.html Mailing List, Third Party Advisory ([email protected])
http://marc.info/?l=bugtraq&m=143403519711434&w=2 Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2015/02/07/14 Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2015/03/11/8 Mailing List, Third Party Advisory ([email protected])
http://php.net/ChangeLog-5.php Vendor Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-1053.html Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-1066.html Third Party Advisory ([email protected])
http://www.debian.org/security/2015/dsa-3195 Third Party Advisory ([email protected])
http://www.kb.cert.org/vuls/id/695940 Third Party Advisory, US Government Resource ([email protected])
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/72611 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1031947 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/USN-2572-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2594-1 Third Party Advisory ([email protected])
https://guidovranken.wordpress.com/2015/02/04/full-disclosure-heap-overflow-in-h-spencers-regex-library-on-32-bit-systems/ Exploit, Third Party Advisory ([email protected])
https://support.apple.com/HT205267 Third Party Advisory ([email protected])
http://blog.clamav.net/2015/04/clamav-0987-has-been-released.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00005.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00026.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2015-04/msg00002.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2015-05/msg00024.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=bugtraq&m=143403519711434&w=2 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2015/02/07/14 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2015/03/11/8 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://php.net/ChangeLog-5.php Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-1053.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-1066.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2015/dsa-3195 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kb.cert.org/vuls/id/695940 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/72611 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1031947 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2572-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2594-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://guidovranken.wordpress.com/2015/02/04/full-disclosure-heap-overflow-in-h-spencers-regex-library-on-32-bit-systems/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/HT205267 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For rxspencer_project's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.