CVE catalog
CVE-2020-24977
libxml2: CVE-2020-24977
- Severity
- Medium · CVSS 6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.98% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libxml2 | sid | 2.15.4+dfsg-1 | fixed |
| Debian | libxml2 | forky | 2.15.4+dfsg-1 | fixed |
| Debian | libxml2 | trixie | 2.12.7+dfsg+really2.9.14-2.1+deb13u3 | fixed |
| Debian | libxml2 | trixie-security | 2.12.7+dfsg+really2.9.14-2.1+deb13u1 | fixed |
| Debian | libxml2 | bookworm | 2.9.14+dfsg-1.3~deb12u6 | fixed |
| Debian | libxml2 | bookworm-security | 2.9.14+dfsg-1.3~deb12u4 | fixed |
| Cpe | libxml2 | Not reported | Not reported | unknown |
| Cpe | debian_linux | Not reported | Not reported | unknown |
| Cpe | fedora | Not reported | Not reported | unknown |
| Cpe | leap | Not reported | Not reported | unknown |
| Cpe | active_iq_unified_manager | Not reported | Not reported | unknown |
| Cpe | clustered_data_ontap | Not reported | Not reported | unknown |
| Cpe | clustered_data_ontap_antivirus_connector | Not reported | Not reported | unknown |
| Cpe | inventory_collect_tool | Not reported | Not reported | unknown |
| Cpe | manageability_software_development_kit | Not reported | Not reported | unknown |
| Cpe | snapdrive | Not reported | Not reported | unknown |
| Cpe | hci_h410c_firmware | Not reported | Not reported | unknown |
| Cpe | communications_cloud_native_core_network_function_cloud_native_environment | Not reported | Not reported | unknown |
| Cpe | enterprise_manager_base_platform | Not reported | Not reported | unknown |
| Cpe | enterprise_manager_ops_center | Not reported | Not reported | unknown |
| Alpine | libxml2 | 3.10 | 2.9.9-r4 | fixed |
| Alpine | libxml2 | 3.11 | 2.9.10-r4 | fixed |
| Alpine | libxml2 | 3.12 | 2.9.10-r5 | fixed |
| Alpine | libxml2 | 3.13 | 2.9.10-r5 | fixed |
| Alpine | libxml2 | 3.14 | 2.9.10-r5 | fixed |
| Alpine | libxml2 | 3.15 | 2.9.10-r5 | fixed |
| Alpine | libxml2 | 3.16 | 2.9.10-r5 | fixed |
| Alpine | libxml2 | 3.17 | 2.9.10-r5 | fixed |
| Alpine | libxml2 | 3.18 | 2.9.10-r5 | fixed |
| Alpine | libxml2 | 3.19 | 2.9.10-r5 | fixed |
| Alpine | libxml2 | 3.20 | 2.9.10-r5 | fixed |
| Alpine | libxml2 | 3.21 | 2.9.10-r5 | fixed |
| Alpine | libxml2 | 3.22 | 2.9.10-r5 | fixed |
| Alpine | libxml2 | 3.23 | 2.9.10-r5 | fixed |
| Alpine | libxml2 | 3.24 | 2.9.10-r5 | fixed |
| Alpine | libxml2 | 3.9 | 2.9.9-r3 | fixed |
| Ubuntu | libxml2 | pro | 2.9.2+zdfsg1-4 | vulnerable |
| Ubuntu | libxml2 | pro | 2.9.2+zdfsg1-4ubuntu1 | vulnerable |
| Ubuntu | libxml2 | pro | 2.9.2+zdfsg1-4ubuntu2 | vulnerable |
| Ubuntu | libxml2 | pro | 2.9.2+zdfsg1-4ubuntu3 | vulnerable |
| Ubuntu | libxml2 | pro | 2.9.3+dfsg1-1 | vulnerable |
| Ubuntu | libxml2 | pro | 2.9.3+dfsg1-1ubuntu0.1 | vulnerable |
| Ubuntu | libxml2 | pro | 2.9.3+dfsg1-1ubuntu0.2 | vulnerable |
| Ubuntu | libxml2 | pro | 2.9.3+dfsg1-1ubuntu0.3 | vulnerable |
| Ubuntu | libxml2 | pro | 2.9.3+dfsg1-1ubuntu0.4 | vulnerable |
| Ubuntu | libxml2 | pro | 2.9.3+dfsg1-1ubuntu0.5 | vulnerable |
| Ubuntu | libxml2 | pro | 2.9.3+dfsg1-1ubuntu0.6 | vulnerable |
| Ubuntu | libxml2 | pro | 2.9.3+dfsg1-1ubuntu0.7 | vulnerable |
| Ubuntu | libxml2 | pro | 2.9.3+dfsg1-1ubuntu0.7+esm1 | fixed |
| Ubuntu | libxml2 | 18.04 | 2.9.4+dfsg1-4ubuntu1 | vulnerable |
| Ubuntu | libxml2 | 18.04 | 2.9.4+dfsg1-5ubuntu1 | vulnerable |
| Ubuntu | libxml2 | 18.04 | 2.9.4+dfsg1-5ubuntu2 | vulnerable |
| Ubuntu | libxml2 | 18.04 | 2.9.4+dfsg1-5.1ubuntu1 | vulnerable |
| Ubuntu | libxml2 | 18.04 | 2.9.4+dfsg1-5.2ubuntu1 | vulnerable |
| Ubuntu | libxml2 | 18.04 | 2.9.4+dfsg1-6.1ubuntu1 | vulnerable |
| Ubuntu | libxml2 | 18.04 | 2.9.4+dfsg1-6.1ubuntu1.2 | vulnerable |
| Ubuntu | libxml2 | 18.04 | 2.9.4+dfsg1-6.1ubuntu1.3 | vulnerable |
| Ubuntu | libxml2 | 18.04 | 2.9.4+dfsg1-6.1ubuntu1.4 | fixed |
| Ubuntu | libxml2 | 20.04 | 2.9.4+dfsg1-7ubuntu3 | vulnerable |
| Ubuntu | libxml2 | 20.04 | 2.9.4+dfsg1-7ubuntu5 | vulnerable |
| Ubuntu | libxml2 | 20.04 | 2.9.4+dfsg1-8ubuntu1 | vulnerable |
| Ubuntu | libxml2 | 20.04 | 2.9.4+dfsg1-8ubuntu2 | vulnerable |
| Ubuntu | libxml2 | 20.04 | 2.9.4+dfsg1-8ubuntu3 | vulnerable |
| Ubuntu | libxml2 | 20.04 | 2.9.10+dfsg-1ubuntu3 | vulnerable |
| Ubuntu | libxml2 | 20.04 | 2.9.10+dfsg-4build1 | vulnerable |
| Ubuntu | libxml2 | 20.04 | 2.9.10+dfsg-5 | vulnerable |
| Ubuntu | libxml2 | 20.04 | 2.9.10+dfsg-5ubuntu0.20.04.1 | fixed |
| Suse | libxml2 | linux enterprise module for basesystem 15 sp1 | 2.9.7-3.25.1 | fixed |
| Suse | python-libxml2-python | linux enterprise module for basesystem 15 sp1 | 2.9.7-3.25.1 | fixed |
| Suse | libxml2 | linux enterprise module for basesystem 15 sp2 | 2.9.7-3.25.1 | fixed |
| Suse | python-libxml2-python | linux enterprise module for basesystem 15 sp2 | 2.9.7-3.25.1 | fixed |
| Suse | python-libxml2-python | linux enterprise module for python 2 15 sp1 | 2.9.7-3.25.1 | fixed |
| Suse | python-libxml2-python | linux enterprise module for python 2 15 sp2 | 2.9.7-3.25.1 | fixed |
| Opensuse | libxml2 | leap 15.2 | 2.9.7-lp152.10.3.1 | fixed |
| Opensuse | python-libxml2-python | leap 15.2 | 2.9.7-lp152.10.3.1 | fixed |
| Opensuse | libxml2 | leap 15.1 | 2.9.7-lp151.5.15.1 | fixed |
| Opensuse | python-libxml2-python | leap 15.1 | 2.9.7-lp151.5.15.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libxml2 | source | sid | 2.9.10+dfsg-6.2 | unimportant | Not reported | [969529] |
| Debian | libxml2 | source | forky | 2.9.10+dfsg-6.2 | unimportant | Not reported | [969529] |
| Debian | libxml2 | source | trixie | 2.9.10+dfsg-6.2 | unimportant | Not reported | [969529] |
| Debian | libxml2 | source | bookworm | 2.9.10+dfsg-6.2 | unimportant | Not reported | [969529] |
| Alpine | libxml2 | apk | 3.10 | 2.9.9-r4 | Not reported | ALPINE-CVE-2020-24977 | Not reported |
| Alpine | libxml2 | apk | 3.11 | 2.9.10-r4 | Not reported | ALPINE-CVE-2020-24977 | Not reported |
| Alpine | libxml2 | apk | 3.12 | 2.9.10-r5 | Not reported | ALPINE-CVE-2020-24977 | Not reported |
| Alpine | libxml2 | apk | 3.13 | 2.9.10-r5 | Not reported | ALPINE-CVE-2020-24977 | Not reported |
| Alpine | libxml2 | apk | 3.14 | 2.9.10-r5 | Not reported | ALPINE-CVE-2020-24977 | Not reported |
| Alpine | libxml2 | apk | 3.15 | 2.9.10-r5 | Not reported | ALPINE-CVE-2020-24977 | Not reported |
| Alpine | libxml2 | apk | 3.16 | 2.9.10-r5 | Not reported | ALPINE-CVE-2020-24977 | Not reported |
| Alpine | libxml2 | apk | 3.17 | 2.9.10-r5 | Not reported | ALPINE-CVE-2020-24977 | Not reported |
| Alpine | libxml2 | apk | 3.18 | 2.9.10-r5 | Not reported | ALPINE-CVE-2020-24977 | Not reported |
| Alpine | libxml2 | apk | 3.19 | 2.9.10-r5 | Not reported | ALPINE-CVE-2020-24977 | Not reported |
| Alpine | libxml2 | apk | 3.20 | 2.9.10-r5 | Not reported | ALPINE-CVE-2020-24977 | Not reported |
| Alpine | libxml2 | apk | 3.21 | 2.9.10-r5 | Not reported | ALPINE-CVE-2020-24977 | Not reported |
| Alpine | libxml2 | apk | 3.22 | 2.9.10-r5 | Not reported | ALPINE-CVE-2020-24977 | Not reported |
| Alpine | libxml2 | apk | 3.23 | 2.9.10-r5 | Not reported | ALPINE-CVE-2020-24977 | Not reported |
| Alpine | libxml2 | apk | 3.24 | 2.9.10-r5 | Not reported | ALPINE-CVE-2020-24977 | Not reported |
| Alpine | libxml2 | apk | 3.9 | 2.9.9-r3 | Not reported | ALPINE-CVE-2020-24977 | Not reported |
| Ubuntu | libxml2 | deb | pro | 2.9.3+dfsg1-1ubuntu0.7+esm1 | Not reported | UBUNTU-CVE-2020-24977 | Not reported |
| Ubuntu | libxml2 | deb | 18.04 | 2.9.4+dfsg1-6.1ubuntu1.4 | Not reported | UBUNTU-CVE-2020-24977 | Not reported |
| Ubuntu | libxml2 | deb | 20.04 | 2.9.10+dfsg-5ubuntu0.20.04.1 | Not reported | UBUNTU-CVE-2020-24977 | Not reported |
| Suse | libxml2 | rpm | linux enterprise module for basesystem 15 sp1 | 2.9.7-3.25.1 | Not reported | SUSE-SU-2020:2612-1 | Not reported |
| Suse | python-libxml2-python | rpm | linux enterprise module for basesystem 15 sp1 | 2.9.7-3.25.1 | Not reported | SUSE-SU-2020:2612-1 | Not reported |
| Suse | libxml2 | rpm | linux enterprise module for basesystem 15 sp2 | 2.9.7-3.25.1 | Not reported | SUSE-SU-2020:2612-1 | Not reported |
| Suse | python-libxml2-python | rpm | linux enterprise module for basesystem 15 sp2 | 2.9.7-3.25.1 | Not reported | SUSE-SU-2020:2612-1 | Not reported |
| Suse | python-libxml2-python | rpm | linux enterprise module for python 2 15 sp1 | 2.9.7-3.25.1 | Not reported | SUSE-SU-2020:2612-1 | Not reported |
| Suse | python-libxml2-python | rpm | linux enterprise module for python 2 15 sp2 | 2.9.7-3.25.1 | Not reported | SUSE-SU-2020:2612-1 | Not reported |
| Opensuse | libxml2 | rpm | leap 15.2 | 2.9.7-lp152.10.3.1 | Not reported | OPENSUSE-SU-2020:1465-1 | Not reported |
| Opensuse | python-libxml2-python | rpm | leap 15.2 | 2.9.7-lp152.10.3.1 | Not reported | OPENSUSE-SU-2020:1465-1 | Not reported |
| Opensuse | libxml2 | rpm | leap 15.1 | 2.9.7-lp151.5.15.1 | Not reported | OPENSUSE-SU-2020:1430-1 | Not reported |
| Opensuse | python-libxml2-python | rpm | leap 15.1 | 2.9.7-lp151.5.15.1 | Not reported | OPENSUSE-SU-2020:1430-1 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [libxml2]Unknown
Details (4)
2.9.14+dfsg-1.3~deb12u6· amd64 · bookwormFixed · Fixed:
2.9.10+dfsg-6.2dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u6· arm64 · bookwormFixed · Fixed:
2.9.10+dfsg-6.2dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· amd64 · bookworm-securityFixed · Fixed:
2.9.10+dfsg-6.2dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· arm64 · bookworm-securityFixed · Fixed:
2.9.10+dfsg-6.2dsa · libxml2 · debian · bookworm
- [libxml2-dev]Unknown
Source package: [libxml2]
Details (4)
2.9.14+dfsg-1.3~deb12u6· amd64 · bookwormFixed · Fixed:
2.9.10+dfsg-6.2dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u6· arm64 · bookwormFixed · Fixed:
2.9.10+dfsg-6.2dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· amd64 · bookworm-securityFixed · Fixed:
2.9.10+dfsg-6.2dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· arm64 · bookworm-securityFixed · Fixed:
2.9.10+dfsg-6.2dsa · libxml2 · debian · bookworm
- [libxml2-doc]Unknown
Source package: [libxml2]
Details (4)
2.9.14+dfsg-1.3~deb12u6· all · bookwormFixed · Fixed:
2.9.10+dfsg-6.2dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u6· all · bookwormFixed · Fixed:
2.9.10+dfsg-6.2dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· all · bookworm-securityFixed · Fixed:
2.9.10+dfsg-6.2dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· all · bookworm-securityFixed · Fixed:
2.9.10+dfsg-6.2dsa · libxml2 · debian · bookworm
- [libxml2-utils]Unknown
Source package: [libxml2]
Details (4)
2.9.14+dfsg-1.3~deb12u6· amd64 · bookwormFixed · Fixed:
2.9.10+dfsg-6.2dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u6· arm64 · bookwormFixed · Fixed:
2.9.10+dfsg-6.2dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· amd64 · bookworm-securityFixed · Fixed:
2.9.10+dfsg-6.2dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· arm64 · bookworm-securityFixed · Fixed:
2.9.10+dfsg-6.2dsa · libxml2 · debian · bookworm
- [python3-libxml2]Unknown
Source package: [libxml2]
Details (4)
2.9.14+dfsg-1.3~deb12u6· amd64 · bookwormFixed · Fixed:
2.9.10+dfsg-6.2dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u6· arm64 · bookwormFixed · Fixed:
2.9.10+dfsg-6.2dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· amd64 · bookworm-securityFixed · Fixed:
2.9.10+dfsg-6.2dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· arm64 · bookworm-securityFixed · Fixed:
2.9.10+dfsg-6.2dsa · libxml2 · debian · bookworm
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2021_1597.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2020-24977]
- [https://osv.dev/vulnerability/ALPINE-CVE-2020-24977]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2020-24977]
- [https://osv.dev/vulnerability/SUSE-SU-2020:2612-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2020-24977]
- [https://osv.dev/vulnerability/openSUSE-SU-2020:1430-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2020:1465-1]
- [https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-336-06.json]
- [https://security-tracker.debian.org/tracker/CVE-2020-24977]
- [https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-24977.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2025-0227.json]
[CERT-Bund public advisories] · [CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]