High severity7.5NVD Advisory· Published Mar 15, 2017· Updated Jun 17, 2026

CVE-2016-10196

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Libevent Project/Libevent2 versions
cpe:2.3:a:libevent_project:libevent:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:libevent_project:libevent:*:*:*:*:*:*:*:*range: <=2.1.5
- (no CPE)range: <2.1.6-beta
Mozilla Corporation/Firefox2 versions
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <45.9.0
- cpe:2.3:a:mozilla:firefox:52.0:*:*:*:*:*:*:*
Mozilla Corporation/Thunderbird
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Range: <52.1.0
Debian/linux
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
osv-coords58 versions
pkg:rpm/suse/firefox-gcc5&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/firefox-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/firefox-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/firefox-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/firefox-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/firefox-libffi-gcc5&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/firefox-libffi-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/firefox-libffi-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/firefox-libffi-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/firefox-libffi-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/libevent&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2 pkg:rpm/suse/libevent&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3 pkg:rpm/suse/libevent&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/libevent&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2 pkg:rpm/suse/libevent&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3 pkg:rpm/suse/libevent&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2 pkg:rpm/suse/libevent&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/libevent&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/libevent&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/libevent&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4 pkg:rpm/suse/libevent&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2 pkg:rpm/suse/libevent&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3 pkg:rpm/suse/MozillaFirefox-branding-SLED&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/MozillaFirefox-branding-SLED&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/MozillaFirefox-branding-SLED&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/MozillaFirefox-branding-SLED&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/MozillaFirefox-branding-SLED&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSS pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSS pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20OpenStack%20Cloud%206 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSS pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSS pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%206 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4
< 5.3.1+r233831-7.1+ 57 more
- (no CPE)range: < 5.3.1+r233831-7.1
- (no CPE)range: < 5.3.1+r233831-7.1
- (no CPE)range: < 5.3.1+r233831-7.1
- (no CPE)range: < 5.3.1+r233831-7.1
- (no CPE)range: < 5.3.1+r233831-7.1
- (no CPE)range: < 5.3.1+r233831-7.1
- (no CPE)range: < 5.3.1+r233831-7.1
- (no CPE)range: < 5.3.1+r233831-7.1
- (no CPE)range: < 5.3.1+r233831-7.1
- (no CPE)range: < 5.3.1+r233831-7.1
- (no CPE)range: < 2.0.21-6.3.1
- (no CPE)range: < 2.0.21-6.3.1
- (no CPE)range: < 1.4.5-24.24.3.1
- (no CPE)range: < 2.0.21-6.3.1
- (no CPE)range: < 2.0.21-6.3.1
- (no CPE)range: < 2.0.21-6.3.1
- (no CPE)range: < 1.4.5-24.24.3.1
- (no CPE)range: < 2.0.21-6.3.1
- (no CPE)range: < 2.0.21-6.3.1
- (no CPE)range: < 1.4.5-24.24.3.1
- (no CPE)range: < 2.0.21-6.3.1
- (no CPE)range: < 2.0.21-6.3.1
- (no CPE)range: < 52-24.3.44
- (no CPE)range: < 52-24.3.44
- (no CPE)range: < 52-24.3.44
- (no CPE)range: < 52-24.3.44
- (no CPE)range: < 52-24.3.44
- (no CPE)range: < 52-31.1
- (no CPE)range: < 52-31.1
- (no CPE)range: < 52-31.1
- (no CPE)range: < 52-31.1
- (no CPE)range: < 52-31.1
- (no CPE)range: < 52-31.1
- (no CPE)range: < 52-31.1
- (no CPE)range: < 52-31.1
- (no CPE)range: < 52-31.1
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 52.2.0esr-72.5.2
- (no CPE)range: < 52.2.0esr-72.5.2
- (no CPE)range: < 52.2.0esr-72.5.2
- (no CPE)range: < 52.2.0esr-72.5.2
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 52.2.0esr-72.5.2
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 52.2.0esr-72.5.2
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 3.29.5-47.3.2
- (no CPE)range: < 3.29.5-47.3.2
- (no CPE)range: < 3.29.5-47.3.2
- (no CPE)range: < 3.29.5-47.3.2
- (no CPE)range: < 3.29.5-47.3.2
- (no CPE)range: < 3.29.5-47.3.2

Patches

Vulnerability mechanics

References

github.com/libevent/libevent/commit/329acc18a0768c21ba22522f01a5c7f46cacc4d5nvdPatchThird Party Advisory
github.com/libevent/libevent/issues/318nvdExploitIssue TrackingThird Party Advisory
www.debian.org/security/2017/dsa-3789nvdThird Party Advisory
www.openwall.com/lists/oss-security/2017/01/31/17nvdMailing ListThird Party Advisory
www.openwall.com/lists/oss-security/2017/02/02/7nvdMailing ListThird Party Advisory
www.securityfocus.com/bid/96014nvdThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1038320nvdBroken LinkThird Party AdvisoryVDB Entry
access.redhat.com/errata/RHSA-2017:1104nvdThird Party Advisory
access.redhat.com/errata/RHSA-2017:1106nvdThird Party Advisory
access.redhat.com/errata/RHSA-2017:1201nvdThird Party Advisory
bugzilla.mozilla.org/show_bug.cginvdIssue TrackingThird Party Advisory
github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLognvdRelease NotesThird Party Advisory
security.gentoo.org/glsa/201705-01nvdThird Party Advisory
www.mozilla.org/security/advisories/mfsa2017-10/nvdThird Party Advisory
www.mozilla.org/security/advisories/mfsa2017-11/nvdThird Party Advisory
www.mozilla.org/security/advisories/mfsa2017-12/nvdThird Party Advisory
www.mozilla.org/security/advisories/mfsa2017-13/nvdThird Party Advisory

News mentions

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cvss	0.488
epss	0.004
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000