CVE-2015-8242

The xmlSAX2TextNode function in SAX2.c in the push interface in the HTML parser in libxml2 before 2.9.3 allows context-dependent attackers to cause a denial of service (stack-based buffer over-read and application crash) or obtain sensitive information via crafted XML data.

Published: 2015-12-15 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-8242 is rated Moderate Risk (57.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 4.27%). Core evidence: EPSS rose +3.30% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-8242

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.97% 4.27% +3.30%
2 2026-05-13 1.15% 0.97% -0.18%
3 2026-05-12 1.15%

Full EPSS history (25 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-8242

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 4.9 [email protected]

Weakness enumeration for CVE-2015-8242

OS Trackers for CVE-2015-8242

vendor priority summary link
debian not yet assigned CVE-2015-8242 not yet assigned priority: Debian including 1 source packages (libxml2), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2015-8242
gentoo normal CVE-2015-8242: 1 GLSA(s) (201701-37), 1 atom(s) (dev-libs/libxml2); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-8242
redhat low https://access.redhat.com/security/cve/CVE-2015-8242
suse medium CVE-2015-8242 severity moderate: SUSE including 370 source package names (amazon/suse-sles-15-sp1-chost-byos-v20210304-hvm-ssd-x86_64, amazon/suse-sles-15-sp1-chost-byos-v20220127-hvm-ssd-x86_64, …), 524 product×package rows across 72 product lines (HPE Helion OpenStack 8, SUSE Liberty Linux 7, … (72 product lines)): Known Affected 231, Fixed 220, Known Not Affected 73. https://www.suse.com/security/cve/CVE-2015-8242/
ubuntu low CVE-2015-8242 low priority: Ubuntu including 1 source packages (libxml2), 5 status rows across 5 suites (precise, trusty, upstream, vivid, wily): released 5. https://ubuntu.com/security/CVE-2015-8242

Affected software / configurations for CVE-2015-8242

Vendor Product Version Raw CPE
xmlsoft libxml2 <= 2.9.2 cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*
hp icewall_federation_agent 3.0 cpe:2.3:a:hp:icewall_federation_agent:3.0:*:*:*:*:*:*:*
hp icewall_file_manager 3.0 cpe:2.3:a:hp:icewall_file_manager:3.0:*:*:*:*:*:*:*
apple iphone_os <= 9.2.1 cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple mac_os_x <= 10.11.3 cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
apple tvos <= 9.1 cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
apple watchos <= 2.1 cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 15.04 cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
canonical ubuntu_linux 15.10 cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
redhat enterprise_linux_desktop 6.0 cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_hpc_node 6.0 cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_server 6.0 cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_workstation 6.0 cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*

References for CVE-2015-8242

URL Tags
http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html Mailing List Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html Mailing List Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html Mailing List Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html
http://marc.info/?l=bugtraq&m=145382616617563&w=2 Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-2549.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-2550.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1089.html
http://www.openwall.com/lists/oss-security/2015/11/17/5
http://www.openwall.com/lists/oss-security/2015/11/18/23
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securityfocus.com/bid/77681
http://www.securitytracker.com/id/1034243
http://www.ubuntu.com/usn/USN-2834-1
http://xmlsoft.org/news.html Vendor Advisory
https://bugzilla.gnome.org/show_bug.cgi?id=756372 Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1281950 Issue Tracking
https://git.gnome.org/browse/libxml2/commit/?id=8fb4a770075628d6441fb17a1e435100e2f3b1a2
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172 Third Party Advisory
https://security.gentoo.org/glsa/201701-37
https://support.apple.com/HT206166 Vendor Advisory
https://support.apple.com/HT206167 Vendor Advisory
https://support.apple.com/HT206168 Vendor Advisory
https://support.apple.com/HT206169 Vendor Advisory
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