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Vulnerability record · CVE-2015-8710 · published 11 April 2016

CVE-2015-8710: Xmlsoft libxml2 memory buffer overflow vulnerability

Xmlsoft · Libxml2

The htmlParseComment function in HTMLparser.c in libxml2 allows attackers to obtain sensitive information, cause a denial of service (out-of-bounds heap memory access and application crash), or possibly have unspecified other impact via an unclosed HTML comment.

9.8 CVSS 3.1 Critical EPSS 4.9% · top 8.2% CWE-119 · Memory buffer overflow
9.8CVSS 3.1 base score, v2 7.5
4.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
18References
17 Jun 2026Last modified by NVD

Description

The htmlParseComment function in HTMLparser.c in libxml2 allows attackers to obtain sensitive information, cause a denial of service (out-of-bounds heap memory access and application crash), or possibly have unspecified other impact via an unclosed HTML comment.

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

Affected products

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

References

LinkTags
http://rhn.redhat.com/errata/RHSA-2016-1089.html Third Party Advisory
http://www.debian.org/security/2015/dsa-3430 Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/04/19/4 Mailing ListPatch
http://www.openwall.com/lists/oss-security/2015/09/13/1 Mailing List
http://www.openwall.com/lists/oss-security/2015/12/31/7 Mailing List
http://www.securityfocus.com/bid/79811 Third Party AdvisoryVDB Entry
https://bugzilla.gnome.org/show_bug.cgi?id=746048 Issue Tracking
https://git.gnome.org/browse/libxml2/commit/?id=e724879d964d774df9b7969fc846605aa1bac54c Third Party Advisory
https://hackerone.com/reports/57125#activity-384861 Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1089.html Third Party Advisory
http://www.debian.org/security/2015/dsa-3430 Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/04/19/4 Mailing ListPatch
http://www.openwall.com/lists/oss-security/2015/09/13/1 Mailing List
http://www.openwall.com/lists/oss-security/2015/12/31/7 Mailing List
http://www.securityfocus.com/bid/79811 Third Party AdvisoryVDB Entry
https://bugzilla.gnome.org/show_bug.cgi?id=746048 Issue Tracking
https://git.gnome.org/browse/libxml2/commit/?id=e724879d964d774df9b7969fc846605aa1bac54c Third Party Advisory
https://hackerone.com/reports/57125#activity-384861 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2015-8710), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.