CVE-2015-2305
CVE-2015-2305 is a medium-severity vulnerability in Rxspencer Project Rxspencer with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.
Key facts
- Severity: Medium (CVSS 2.0 base score 6.8)
- EPSS exploit prediction: 8% (94th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-190
- Affected product: Rxspencer Project Rxspencer
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2015-2305?
- CVE-2015-2305 has a CVSS 2.0 base score of 6.8, rated medium severity.
- Is CVE-2015-2305 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2015-2305?
- CVE-2015-2305 primarily affects Rxspencer Project Rxspencer. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2015-2305?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2015-2305 published?
- CVE-2015-2305 was published on 2015-03-30 and last updated on 2026-06-17.
References
- http://blog.clamav.net/2015/04/clamav-0987-has-been-released.html
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00026.html
- http://lists.opensuse.org/opensuse-updates/2015-04/msg00002.html
- http://lists.opensuse.org/opensuse-updates/2015-05/msg00024.html
- http://marc.info/?l=bugtraq&m=143403519711434&w=2
- http://openwall.com/lists/oss-security/2015/02/07/14
- http://openwall.com/lists/oss-security/2015/03/11/8
- http://php.net/ChangeLog-5.php
- http://rhn.redhat.com/errata/RHSA-2015-1053.html
- http://rhn.redhat.com/errata/RHSA-2015-1066.html
- http://www.debian.org/security/2015/dsa-3195
- http://www.kb.cert.org/vuls/id/695940
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.securityfocus.com/bid/72611
- http://www.securitytracker.com/id/1031947
- http://www.ubuntu.com/usn/USN-2572-1
- http://www.ubuntu.com/usn/USN-2594-1
- https://guidovranken.wordpress.com/2015/02/04/full-disclosure-heap-overflow-in-h-spencers-regex-library-on-32-bit-systems/
- https://support.apple.com/HT205267
Affected products (11)
- cpe:2.3:a:rxspencer_project:rxspencer:3.8.g5:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
Other CWE-190 (Integer Overflow or Wraparound) vulnerabilities
- CVE-2026-4689 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was…
- CVE-2026-24814 — Critical (CVSS 10.0): Integer Overflow or Wraparound vulnerability in swoole swoole-src (thirdparty/hiredis modules). This vulnerability is…
- CVE-2025-64721 — Critical (CVSS 10.0): Sandboxie is a sandbox-based isolation software for 32-bit and 64-bit Windows NT-based operating systems. In versions…
- CVE-2015-5108 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
- CVE-2015-5097 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
- CVE-2013-2555 — Critical (CVSS 10.0): Integer overflow in Adobe Flash Player before 10.3.183.75 and 11.x before 11.7.700.169 on Windows and Mac OS X, before…
Browse all CWE-190 (Integer Overflow or Wraparound) vulnerabilities →
Threat intelligence
Threat-intel indicators referencing this CVE:
- 45.84.120.3 (ipv4-addr)
- 200.196.50.91 (ipv4-addr)
- 187.110.238.50 (ipv4-addr)
- 113.164.66.10 (ipv4-addr)
- 103.38.219.22 (ipv4-addr)
- 103.148.100.146 (ipv4-addr)
- 80.87.83.229 (ipv4-addr)
- 183.182.99.92 (ipv4-addr)