Name: Vulnix
Price: 99 USD

Description

There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
n/a	libxml2	libxml2 2.9.11
Siemens	SIMATIC S7-1500 CPU 1518-4 PN/DP MFP	>= V3.1.0, < V3.1.5
Siemens	SIMATIC S7-1500 CPU 1518-4 PN/DP MFP	>= V3.1.0, < V3.1.5
Siemens	SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP	>= V3.1.0, < V3.1.5
Siemens	SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP	>= V3.1.0, < V3.1.5
Siemens	SIPLUS S7-1500 CPU 1518-4 PN/DP MFP	>= V3.1.0, < V3.1.5

References

http://seclists.org/fulldisclosure/2021/Jul/54Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2021/Jul/55Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2021/Jul/58Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2021/Jul/59Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1954242Issue Tracking, Patch, Third Party Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://lists.debian.org/debian-lts-announce/2021/05/msg00008.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
https://security.gentoo.org/glsa/202107-05Third Party Advisory
https://security.netapp.com/advisory/ntap-20210625-0002/Third Party Advisory
https://support.apple.com/kb/HT212601Third Party Advisory
https://support.apple.com/kb/HT212602Third Party Advisory
https://support.apple.com/kb/HT212604Third Party Advisory
https://support.apple.com/kb/HT212605Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.htmlNot Applicable
https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
http://seclists.org/fulldisclosure/2021/Jul/54Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2021/Jul/55Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2021/Jul/58Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2021/Jul/59Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1954242Issue Tracking, Patch, Third Party Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://lists.debian.org/debian-lts-announce/2021/05/msg00008.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
https://security.gentoo.org/glsa/202107-05Third Party Advisory
https://security.netapp.com/advisory/ntap-20210625-0002/Third Party Advisory
https://support.apple.com/kb/HT212601Third Party Advisory
https://support.apple.com/kb/HT212602Third Party Advisory
https://support.apple.com/kb/HT212604Third Party Advisory
https://support.apple.com/kb/HT212605Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.htmlNot Applicable
https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
https://cert-portal.siemens.com/productcert/html/ssa-398330.html

Timeline

Published: May 18, 2021
Last modified: Oct 14, 2026
NVD status: Modified

CVE-2021-3518