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Vulnerability record · CVE-2016-10196 · published 15 March 2017

CVE-2016-10196: Debian linux out-of-bounds write vulnerability

Debian · Debian Linux

Stack-based buffer overflow in the evutil_parse_sockaddr_port function in evutil.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (segmentation fault) via vectors involving a long string in brackets in the ip_as_string argument.

7.5 CVSS 3.1 High EPSS 5.2% · top 7.8% CWE-787 · Out-of-bounds write
7.5CVSS 3.1 base score, v2 5.0
5.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
34References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Stack-based buffer overflow in the evutil_parse_sockaddr_port function in evutil.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (segmentation fault) via vectors involving a long string in brackets in the ip_as_string argument.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

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

References

LinkTags
http://www.debian.org/security/2017/dsa-3789 Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/01/31/17 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2017/02/02/7 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/96014 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038320 Broken LinkThird Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:1104 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1106 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1201 Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1343453 Issue TrackingThird Party Advisory
https://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLog Release NotesThird Party Advisory
https://github.com/libevent/libevent/commit/329acc18a0768c21ba22522f01a5c7f46cacc4d5 PatchThird Party Advisory
https://github.com/libevent/libevent/issues/318 ExploitIssue TrackingThird Party Advisory
https://security.gentoo.org/glsa/201705-01 Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-10/ Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-11/ Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-12/ Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-13/ Third Party Advisory
http://www.debian.org/security/2017/dsa-3789 Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/01/31/17 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2017/02/02/7 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/96014 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038320 Broken LinkThird Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:1104 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1106 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1201 Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1343453 Issue TrackingThird Party Advisory
https://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLog Release NotesThird Party Advisory
https://github.com/libevent/libevent/commit/329acc18a0768c21ba22522f01a5c7f46cacc4d5 PatchThird Party Advisory
https://github.com/libevent/libevent/issues/318 ExploitIssue TrackingThird Party Advisory
https://security.gentoo.org/glsa/201705-01 Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-10/ Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-11/ Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-12/ Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-13/ Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2016-10196), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.