CVE-2021-3517

Name
CVE-2021-3517
Description
There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11. An attacker who is able to supply a crafted file to be processed by an application linked with the affected functionality of libxml2 could trigger an out-of-bounds read. The most likely impact of this flaw is to application availability, with some potential impact to confidentiality and integrity if an attacker is able to use memory information to further exploit the application.
NVD Severity
high
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://bugzilla.redhat.com/show_bug.cgi?id=1954232
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
MLIST https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/
Third Party Advisory https://security.netapp.com/advisory/ntap-20210625-0002/
Third Party Advisory https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
Third Party Advisory https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
Third Party Advisory https://security.gentoo.org/glsa/202107-05
MISC https://www.oracle.com/security-alerts/cpuoct2021.html
CONFIRM https://security.netapp.com/advisory/ntap-20211022-0004/
Patch https://www.oracle.com/security-alerts/cpujan2022.html
MISC https://www.oracle.com/security-alerts/cpuapr2022.html

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:* libxml2 >= None < 2.9.11

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
libxml2 3.10-main 2.9.9-r5 Carlo Landmeter <clandmeter@gmail.com> fixed
qt5-qtwebengine 3.14-community 5.15.3_git20211112-r0 Bart Ribbers <bribbers@disroot.org> fixed