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Vulnerabilities

Vulnerability · CVE-2020-24977

GNOME project libxml2 v2.9.10 has a global buffer over-read vulnerability in xmlEncodeEntitiesInternal at libxml2/entities.c.

Published Sep 4, 2020 · catalog updated Oct 14, 2026 · GNOME project libxml2 v2.9.10

Check if you run it

No confirmed exploitation is on record for CVE-2020-24977. EPSS is 2.98%. Act only if a listed version of GNOME project libxml2 v2.9.10 is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (GNOME project libxml2 v2.9.10).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
2.98%
Remediation
Advisory link
Affected products
cpe debian/debian linux · cpe fedoraproject/fedora · cpe netapp/active iq unified manager · cpe netapp/hci h410c firmware · cpe opensuse/leap · cpe oracle/communications cloud native core network function cloud native environment

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe debian/debian linux9.0
  • cpe fedoraproject/fedora31
  • cpe fedoraproject/fedora32
  • cpe fedoraproject/fedora33
  • cpe netapp/active iq unified managerversion unspecified
  • cpe netapp/hci h410c firmwareversion unspecified
  • cpe opensuse/leap15.1
  • cpe opensuse/leap15.2
  • cpe oracle/communications cloud native core network function cloud native environment1.10.0
  • cpe xmlsoft/libxml22.9.10

How to fix CVE-2020-24977

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2020-24977. EPSS is 2.98%. Act only if a listed version of GNOME project libxml2 v2.9.10 is installed.

Which versions are affected?

Compare what you have installed with debian/debian linux 9.0; oracle/communications cloud native core network function cloud native environment 1.10.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-125: Out-of-bounds Read. EPSS 2.98%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 4, 2020 · NIST NVD

    Detected

    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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2020-24977

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-24977

    30-day exploitation probability 3.0%

    first.org
  • NIST NVDVulnerability recordCVE-2020-24977

    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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.