CVE-2020-24977

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Summary

CVECVE-2020-24977
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-09-04 00:15:10 UTC
Updated2026-10-14 10:17:32 UTC
DescriptionGNOME 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.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Problem Types: CWE-125 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
2.0[email protected]Primary6.4AV:N/AC:L/Au:N/C:P/I:N/A:P

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 9.0 All All All
Operating System Fedoraproject Fedora 31 All All All
Operating System Fedoraproject Fedora 32 All All All
Operating System Fedoraproject Fedora 33 All All All
Application Netapp Active Iq Unified Manager All All All All
Application Netapp Active Iq Unified Manager All All All All
Application Netapp Clustered Data Ontap - All All All
Application Netapp Clustered Data Ontap Antivirus Connector - All All All
Hardware Netapp Hci H410c - All All All
Operating System Netapp Hci H410c Firmware - All All All
Application Netapp Inventory Collect Tool - All All All
Application Netapp Manageability Software Development Kit - All All All
Application Netapp Snapdrive - All All All
Application Netapp Snapdrive - All All All
Operating System Opensuse Leap 15.1 All All All
Operating System Opensuse Leap 15.2 All All All
Application Oracle Communications Cloud Native Core Network Function Cloud Native Environment 1.10.0 All All All
Application Oracle Enterprise Manager Base Platform 13.4.0.0 All All All
Application Oracle Enterprise Manager Base Platform 13.5.0.0 All All All
Application Oracle Enterprise Manager Ops Center 12.4.0.0 All All All
Application Oracle Http Server 12.2.1.3.0 All All All
Application Oracle Http Server 12.2.1.4.0 All All All
Application Oracle Mysql Workbench All All All All
Application Oracle Peoplesoft Enterprise Peopletools 8.58 All All All
Application Oracle Real User Experience Insight 13.4.1.0 All All All
Application Oracle Real User Experience Insight 13.5.1.0 All All All
Application Xmlsoft Libxml2 2.9.10 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified

References

ReferenceSourceLinkTags
cert-portal.siemens.com/productcert/html/ssa-398330.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
[SECURITY] Fedora 32 Update: libxml2-2.9.10-8.fc32 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
Oracle Critical Patch Update Advisory - April 2022 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Patch, Third Party Advisory
Oracle Critical Patch Update Advisory - October 2021 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Patch, Third Party Advisory
[SECURITY] Fedora 33 Update: mingw-libxml2-2.9.10-8.fc33 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
[SECURITY] Fedora 32 Update: mingw-libxml2-2.9.10-8.fc32 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
libxml2: Multiple vulnerabilities (GLSA 202107-05) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org Third Party Advisory
[security-announce] openSUSE-SU-2020:1430-1: moderate: Security update f af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
[SECURITY] Fedora 31 Update: libxml2-2.9.10-4.fc31 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
[SECURITY] Fedora 31 Update: mingw-libxml2-2.9.10-3.fc31 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
[SECURITY] Fedora 32 Update: libxml2-2.9.10-7.fc32 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
[SECURITY] Fedora 32 Update: mingw-libxml2-2.9.10-3.fc32 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
Oracle Critical Patch Update Advisory - July 2022 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com
[security-announce] openSUSE-SU-2020:1465-1: moderate: Security update f af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
[SECURITY] Fedora 33 Update: libxml2-2.9.10-8.fc33 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
xmllint: global-buffer-overflow in xmlEncodeEntitiesInternal (#178) · Issues · GNOME / libxml2 · GitLab af854a3a-2127-422b-91ae-364da2661108 gitlab.gnome.org Exploit, Issue Tracking, Patch, Vendor Advisory
lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685a... af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Fix out-of-bounds read with 'xmllint --htmlout' (50f06b3e) · Commits · GNOME / libxml2 · GitLab af854a3a-2127-422b-91ae-364da2661108 gitlab.gnome.org Patch, Vendor Advisory
[SECURITY] Fedora 33 Update: libxml2-2.9.10-7.fc33 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
[SECURITY] [DLA 2369-1] libxml2 security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Third Party Advisory
CVE-2020-24977 Libxml2 Vulnerability in NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
[SECURITY] Fedora 33 Update: mingw-libxml2-2.9.10-3.fc33 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
[SECURITY] Fedora 31 Update: libxml2-2.9.10-4.fc31 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 32 Update: libxml2-2.9.10-7.fc32 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 32 Update: mingw-libxml2-2.9.10-8.fc32 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 31 Update: mingw-libxml2-2.9.10-3.fc31 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 33 Update: libxml2-2.9.10-8.fc33 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 32 Update: mingw-libxml2-2.9.10-3.fc32 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 32 Update: libxml2-2.9.10-8.fc32 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 33 Update: mingw-libxml2-2.9.10-3.fc33 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 33 Update: libxml2-2.9.10-7.fc33 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 33 Update: mingw-libxml2-2.9.10-8.fc33 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
Pony Mail! MITRE lists.apache.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159191 Oracle Enterprise Linux Security Update for libxml2 (ELSA-2021-1597)
  • 198409 Ubuntu Security Notification for libxml2 vulnerabilities (USN-4991-1)
  • 239333 Red Hat Update for libxml2 (RHSA-2021:1597)
  • 296065 Oracle Solaris 11.4 Support Repository Update (SRU) 39.107.1 Missing (CPUOCT2021)
  • 352392 Amazon Linux Security Advisory for libxml2: ALAS2-2021-1662
  • 354929 Amazon Linux Security Advisory for libxml2 : ALAS-2023-1743
  • 376204 Mysql Workbench Critical Patch Update Oct 2021
  • 376550 Oracle Hypertext Transfer Protocol Server (HTTP Server) Multiple Vulnerabilities (CPUAPR2022)
  • 377365 Alibaba Cloud Linux Security Update for libxml2 (ALINUX3-SA-2022:0018)
  • 377648 Oracle Hypertext Transfer Protocol Server (HTTP Server) Multiple Vulnerabilities(CPUOCT2022)
  • 500341 Alpine Linux Security Update for libxml2
  • 504105 Alpine Linux Security Update for libxml2
  • 591018 Hitachi Energy RTU500 series Multiple Vulnerabilities (ICSA-21-336-08)
  • 591406 Siemens SIMATIC S7-1500 CPU GNU/Linux subsystem Multiple Vulnerabilities (SSB-439005, ICSA-22-104-13)
  • 690499 Free Berkeley Software Distribution (FreeBSD) Security Update for libxml (f5abafc0-fcf6-11ea-8758-e0d55e2a8bf9)
  • 710071 Gentoo Linux libxml2 Multiple vulnerabilities (GLSA 202107-05)
  • 900193 CBL-Mariner Linux Security Update for libxml2 2.9.10
  • 903434 Common Base Linux Mariner (CBL-Mariner) Security Update for libxml2 (2189)
  • 940082 AlmaLinux Security Update for libxml2 (ALSA-2021:1597)
  • 960858 Rocky Linux Security Update for libxml2 (RLSA-2021:1597)

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