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CVE-2020-24977 libxml2

Affected softwarelibxml2
Severity6.5 Medium CVSS 3.1 2 scores
WeaknessOut-of-bounds read (CWE-125)
Published4 Sep 2020
Updated14 Oct 2026

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.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 6 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment no assessment published
  • Indexed PoC none indexed
  • EPSS 3.0% chance in 30 days

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review human Researcher
  • Record active
Decided by Manual classification of this CVE in the legacy dataset
Finding A manual classification set this CVE's status to Outside Waratek scope, but the CVE names a tracked product.

CVSS

6.5 MEDIUM v3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.1 6.5 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L NVD Primary published
CVSS 2.0 6.4 none AV:N/AC:L/Au:N/C:P/I:N/A:P NVD Primary

Affected software and releases

Oracle advisories

AdvisoryTypeQuarterProducts Oracle names in its risk matrix
Oracle Critical Patch Update October 2022 ↗ CPU 2022-Q4 Oracle Fusion Middleware / Web Listener (libxml2) (12.2.1.3.0, 12.2.1.4.0)
Oracle Critical Patch Update April 2022 ↗ CPU 2022-Q2 Oracle Fusion Middleware / SSL Module (libxml2) (12.2.1.3.0, 12.2.1.4.0)

Oracle components and versions

FamilyComponentVersions, as Oracle lists themRead as
Oracle Fusion Middleware SSL Module (libxml2) 12.2.1.3.0, 12.2.1.4.0 12.2.1.3.0 · 12.2.1.4.0
Oracle Fusion Middleware Web Listener (libxml2) 12.2.1.3.0, 12.2.1.4.0 12.2.1.3.0 · 12.2.1.4.0

Products and versions

18 products, 25 version entries
SourceVendorProductSchemeAffected versions
nvd debian debian linux generic 9.0
nvd fedoraproject fedora generic 31 · 32 · 33
nvd netapp active iq unified manager generic ≥ 7.3 · ≥ 9.5
nvd netapp clustered data ontap generic any version
nvd netapp clustered data ontap antivirus connector generic any version
nvd netapp hci h410c firmware generic any version
nvd netapp inventory collect tool generic any version
nvd netapp manageability software development kit generic any version
nvd netapp snapdrive generic any version
nvd opensuse leap generic 15.1 · 15.2
nvd oracle communications cloud native core network function cloud native environment generic 1.10.0
nvd oracle enterprise manager base platform generic 13.4.0.0 · 13.5.0.0
nvd oracle enterprise manager ops center generic 12.4.0.0
nvd oracle http server generic 12.2.1.3.0 · 12.2.1.4.0
nvd oracle mysql workbench generic ≤ 8.0.26
nvd oracle peoplesoft enterprise peopletools generic 8.58
nvd oracle real user experience insight generic 13.4.1.0 · 13.5.1.0
nvd xmlsoft libxml2 generic 2.9.10

References

URLTags
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00036.html Mailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00061.html Mailing List, Third Party Advisory
https://gitlab.gnome.org/GNOME/libxml2/-/commit/50f06b3efb638efb0abd95dc62dca05ae67882c2 Patch, Vendor Advisory
https://gitlab.gnome.org/GNOME/libxml2/-/issues/178 Exploit, Issue Tracking, Patch, Vendor Advisory
https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2NQ5GTDYOVH26PBCPYXXMGW5ZZXWMGZC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KTUAGDLEHTH6HU66HBFAFTSQ3OKRAN3/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/674LQPJO2P2XTBTREFR5LOZMBTZ4PZAY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KQXOHIE3MNY3VQXEN7LDQUJNIHOVHAW/

Timeline

Published2020-09-04By the CVE Program.
NVD record modified2026-10-14NVD's own last-modified date for this record.