CVE-2020-24977

Public Exploit

Description

GNOME project libxml2 v2.9.10 has a global buffer over-read vulnerability in xmlEncodeEntitiesInternal at libxml2/entities.c. The issue has been fixed in commit 50f06b3e.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.48%
Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org Vendor Advisory gnome.org Vendor Advisory gnome.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://gitlab.gnome.org/GNOME/libxml2/-/issues/178 issue tracking patch vendor advisory exploit
https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html third party advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00036.html mailing list third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2NQ5GTDYOVH26PBCPYXXMGW5ZZXWMGZC/ vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00061.html mailing list third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H3IQ7OQXBKWD3YP7HO6KCNOMLE5ZO2IR/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O7MEWYKIKMV2SKMGH4IDWVU3ZGJXBCPQ/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KQXOHIE3MNY3VQXEN7LDQUJNIHOVHAW/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JCHXIWR5DHYO3RSO7RAHEC6VJKXD2EH2/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J3ICASXZI2UQYFJAOQWHSTNWGED3VXOE/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ENEHQIBMSI6TZVS35Y6I4FCTYUQDLJVP/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RIQAMBA2IJUTQG5VOP5LZVIZRNCKXHEQ/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KTUAGDLEHTH6HU66HBFAFTSQ3OKRAN3/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/674LQPJO2P2XTBTREFR5LOZMBTZ4PZAY/ vendor advisory
https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E mailing list
https://security.gentoo.org/glsa/202107-05 third party advisory vendor advisory
https://www.oracle.com/security-alerts/cpuoct2021.html third party advisory patch
https://security.netapp.com/advisory/ntap-20200924-0001/ third party advisory
https://gitlab.gnome.org/GNOME/libxml2/-/commit/50f06b3efb638efb0abd95dc62dca05ae67882c2 patch vendor advisory
https://www.oracle.com/security-alerts/cpuapr2022.html third party advisory patch
https://www.oracle.com/security-alerts/cpujul2022.html

Frequently Asked Questions

What is the severity of CVE-2020-24977?
CVE-2020-24977 has been scored as a medium severity vulnerability.
How to fix CVE-2020-24977?
To fix CVE-2020-24977, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-24977 being actively exploited in the wild?
It is possible that CVE-2020-24977 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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