CVE catalog
CVE-2022-40304
libxml2: CVE-2022-40304
- Severity
- High · CVSS 8.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 5.81% · Oct 25, 2026
An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked.
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 | 2.10.3 | fixed |
| 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 | manageability_software_development_kit | Not reported | Not reported | unknown |
| Cpe | smi-s_provider | Not reported | Not reported | unknown |
| Cpe | snapmanager | Not reported | Not reported | unknown |
| Cpe | h300s_firmware | Not reported | Not reported | unknown |
| Cpe | h500s_firmware | Not reported | Not reported | unknown |
| Cpe | h700s_firmware | Not reported | Not reported | unknown |
| Cpe | h410s_firmware | Not reported | Not reported | unknown |
| Cpe | h410c_firmware | Not reported | Not reported | unknown |
| Cpe | ipados | Not reported | 15.7.2 | fixed |
| Cpe | iphone_os | Not reported | 15.7.2 | fixed |
| Cpe | macos | Not reported | 12.6.2 | fixed |
| Cpe | tvos | Not reported | 16.2 | fixed |
| Cpe | watchos | Not reported | 9.2 | 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 | vulnerable |
| Ubuntu | libxml2 | pro | 2.9.3+dfsg1-1ubuntu0.7+esm2 | vulnerable |
| Ubuntu | libxml2 | pro | 2.9.3+dfsg1-1ubuntu0.7+esm3 | vulnerable |
| Ubuntu | libxml2 | pro | 2.9.3+dfsg1-1ubuntu0.7+esm4 | 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 | vulnerable |
| Ubuntu | libxml2 | 18.04 | 2.9.4+dfsg1-6.1ubuntu1.5 | vulnerable |
| Ubuntu | libxml2 | 18.04 | 2.9.4+dfsg1-6.1ubuntu1.6 | vulnerable |
| Ubuntu | libxml2 | 18.04 | 2.9.4+dfsg1-6.1ubuntu1.7 | vulnerable |
| Ubuntu | libxml2 | 18.04 | 2.9.4+dfsg1-6.1ubuntu1.8 | 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 | vulnerable |
| Ubuntu | libxml2 | 20.04 | 2.9.10+dfsg-5ubuntu0.20.04.2 | vulnerable |
| Ubuntu | libxml2 | 20.04 | 2.9.10+dfsg-5ubuntu0.20.04.3 | vulnerable |
| Ubuntu | libxml2 | 20.04 | 2.9.10+dfsg-5ubuntu0.20.04.4 | vulnerable |
| Ubuntu | libxml2 | 20.04 | 2.9.10+dfsg-5ubuntu0.20.04.5 | fixed |
| Ubuntu | libxml2 | 22.04 | 2.9.12+dfsg-4 | vulnerable |
| Ubuntu | libxml2 | 22.04 | 2.9.12+dfsg-5 | vulnerable |
| Ubuntu | libxml2 | 22.04 | 2.9.12+dfsg-6 | vulnerable |
| Ubuntu | libxml2 | 22.04 | 2.9.13+dfsg-1 | vulnerable |
| Ubuntu | libxml2 | 22.04 | 2.9.13+dfsg-1build1 | vulnerable |
| Ubuntu | libxml2 | 22.04 | 2.9.13+dfsg-1ubuntu0.1 | vulnerable |
| Ubuntu | libxml2 | 22.04 | 2.9.13+dfsg-1ubuntu0.2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libxml2 | source | sid | 2.9.14+dfsg-1.1 | not yet assigned | Not reported | [1022225] |
| Debian | libxml2 | source | forky | 2.9.14+dfsg-1.1 | not yet assigned | Not reported | [1022225] |
| Debian | libxml2 | source | trixie | 2.9.14+dfsg-1.1 | not yet assigned | Not reported | [1022225] |
| Debian | libxml2 | source | bookworm | 2.9.14+dfsg-1.1 | not yet assigned | Not reported | [1022225] |
| Cpe | libxml2 | cpe | Not reported | 2.10.3 | Not reported | NVD-CVE-2022-40304 | Not reported |
| Cpe | ipados | cpe | Not reported | 15.7.2 | Not reported | NVD-CVE-2022-40304 | Not reported |
| Cpe | iphone_os | cpe | Not reported | 15.7.2 | Not reported | NVD-CVE-2022-40304 | Not reported |
| Cpe | macos | cpe | Not reported | 12.6.2 | Not reported | NVD-CVE-2022-40304 | Not reported |
| Cpe | tvos | cpe | Not reported | 16.2 | Not reported | NVD-CVE-2022-40304 | Not reported |
| Cpe | watchos | cpe | Not reported | 9.2 | Not reported | NVD-CVE-2022-40304 | Not reported |
| Ubuntu | libxml2 | deb | pro | 2.9.3+dfsg1-1ubuntu0.7+esm4 | Not reported | UBUNTU-CVE-2022-40304 | Not reported |
| Ubuntu | libxml2 | deb | 18.04 | 2.9.4+dfsg1-6.1ubuntu1.8 | Not reported | UBUNTU-CVE-2022-40304 | Not reported |
| Ubuntu | libxml2 | deb | 20.04 | 2.9.10+dfsg-5ubuntu0.20.04.5 | Not reported | UBUNTU-CVE-2022-40304 | Not reported |
| Ubuntu | libxml2 | deb | 22.04 | 2.9.13+dfsg-1ubuntu0.2 | Not reported | UBUNTU-CVE-2022-40304 | 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:
2.9.14+dfsg-1.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u6· arm64 · bookwormFixed · Fixed:
2.9.14+dfsg-1.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· amd64 · bookworm-securityFixed · Fixed:
2.9.14+dfsg-1.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· arm64 · bookworm-securityFixed · Fixed:
2.9.14+dfsg-1.1dsa · libxml2 · debian · bookworm
- [libxml2-dev]Unknown
Source package: [libxml2]
Details (4)
2.9.14+dfsg-1.3~deb12u6· amd64 · bookwormFixed · Fixed:
2.9.14+dfsg-1.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u6· arm64 · bookwormFixed · Fixed:
2.9.14+dfsg-1.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· amd64 · bookworm-securityFixed · Fixed:
2.9.14+dfsg-1.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· arm64 · bookworm-securityFixed · Fixed:
2.9.14+dfsg-1.1dsa · libxml2 · debian · bookworm
- [libxml2-doc]Unknown
Source package: [libxml2]
Details (4)
2.9.14+dfsg-1.3~deb12u6· all · bookwormFixed · Fixed:
2.9.14+dfsg-1.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u6· all · bookwormFixed · Fixed:
2.9.14+dfsg-1.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· all · bookworm-securityFixed · Fixed:
2.9.14+dfsg-1.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· all · bookworm-securityFixed · Fixed:
2.9.14+dfsg-1.1dsa · libxml2 · debian · bookworm
- [libxml2-utils]Unknown
Source package: [libxml2]
Details (4)
2.9.14+dfsg-1.3~deb12u6· amd64 · bookwormFixed · Fixed:
2.9.14+dfsg-1.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u6· arm64 · bookwormFixed · Fixed:
2.9.14+dfsg-1.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· amd64 · bookworm-securityFixed · Fixed:
2.9.14+dfsg-1.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· arm64 · bookworm-securityFixed · Fixed:
2.9.14+dfsg-1.1dsa · libxml2 · debian · bookworm
- [python3-libxml2]Unknown
Source package: [libxml2]
Details (4)
2.9.14+dfsg-1.3~deb12u6· amd64 · bookwormFixed · Fixed:
2.9.14+dfsg-1.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u6· arm64 · bookwormFixed · Fixed:
2.9.14+dfsg-1.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· amd64 · bookworm-securityFixed · Fixed:
2.9.14+dfsg-1.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· arm64 · bookworm-securityFixed · Fixed:
2.9.14+dfsg-1.1dsa · libxml2 · debian · bookworm
Observed:
References
- [https://cert-portal.siemens.com/productcert/csaf/ssa-341067.json]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2023_0173.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2022-40304]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2022-40304]
- [https://security-tracker.debian.org/tracker/CVE-2022-40304]
- [https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-40304.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0915.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]