PT-2015-3213 · Xmlsoft+6 · Libxml2+6

Kostya Serebryany · Published 2015-10-23 · Updated 2026-03-13 · CVE-2015-7942

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions libxml2 (affected versions not specified)

Description The issue is related to the xmlParseConditionalSections function in the libxml2 library, which can cause a denial of service due to an out-of-bounds read when parsing specially crafted XML data. This can lead to a crash. The problem arises because the function does not properly handle intermediary entities when it encounters invalid input.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

ALT-PU-2015-2016

BDU:2016-00937

CESA-2015_2549

CESA-2015_2550

CVE-2015-7942

DLA-334-1

DSA-3430-1

MGASA-2015-0423

OPENSUSE-SU-2024:10192-1

OPENSUSE-SU-2024:10549-1

OPENSUSE-SU-2024:11340-1

OPENSUSE-SU-2024:11912-1

OPENSUSE-SU-2024:13165-1

OPENSUSE-SU-2024:14174-1

OPENSUSE-SU-2025:14697-1

OPENSUSE-SU-2026:10356-1

RHSA-2015:2549

RHSA-2015:2550

RHSA-2015_2549

RHSA-2015_2550

SUSE-SU-2016:0030-1

SUSE-SU-2016:0049-1

SUSE-SU-2016:0786-1

USN-2812-1

Affected Products

Alt Linux

Centos

Ibm Aix

Red Hat

Suse

Ubuntu

Libxml2

References · 138

• 🔥 https://bugzilla.gnome.org/show_bug.cgi?id=744980#c8 · Exploit
• 🔥 https://bugzilla.gnome.org/show_bug.cgi?id=756456 · Exploit
• https://support.apple.com/HT206166 · Vendor Advisory
• http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177341.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8035 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:14174-1 · Vendor Advisory
• https://support.apple.com/HT206167 · Vendor Advisory
• http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177381.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-7941 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2015-7942 · Vendor Advisory
• http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2025:14697-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2016-00937 · Security Note
• http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html · Vendor Advisory
• https://security.gentoo.org/glsa/201701-37 · Vendor Advisory