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Vulnerability record · CVE-2015-5343 · published 14 April 2016

CVE-2015-5343: Apache subversion memory buffer overflow vulnerability

Apache · Subversion

Integer overflow in util.c in mod_dav_svn in Apache Subversion 1.7.x, 1.8.x before 1.8.15, and 1.9.x before 1.9.3 allows remote authenticated users to cause a denial of service (subversion server crash or memory consumption) and possibly execute arbitrary code via a skel-encoded request body, which triggers an out-of-bounds read and heap-based buffer overflow.

7.6 CVSS 3.0 High EPSS 30% · top 1.8% CWE-119 · Memory buffer overflow
7.6CVSS 3.0 base score, v2 8.0
30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

Integer overflow in util.c in mod_dav_svn in Apache Subversion 1.7.x, 1.8.x before 1.8.15, and 1.9.x before 1.9.3 allows remote authenticated users to cause a denial of service (subversion server crash or memory consumption) and possibly execute arbitrary code via a skel-encoded request body, which triggers an out-of-bounds read and heap-based buffer overflow.

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://subversion.apache.org/security/CVE-2015-5343-advisory.txt Vendor Advisory
http://www.debian.org/security/2015/dsa-3424 Third Party Advisory
http://www.securitytracker.com/id/1034470 Third Party AdvisoryVDB Entry
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.405261 Third Party Advisory
http://subversion.apache.org/security/CVE-2015-5343-advisory.txt Vendor Advisory
http://www.debian.org/security/2015/dsa-3424 Third Party Advisory
http://www.securitytracker.com/id/1034470 Third Party AdvisoryVDB Entry
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.405261 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2015-5343), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.