CVE catalog
CVE-2017-16931
libxml2: CVE-2017-16931
- Severity
- Critical · CVSS 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 4.58% · Oct 25, 2026
parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name.
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 |
| Alpine | libxml2 | 3.4 | 2.9.5-r0 | fixed |
| Alpine | libxml2 | 3.5 | 2.9.5-r0 | fixed |
| Alpine | libxml2 | 3.6 | 2.9.5-r0 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libxml2 | source | sid | 2.9.4+dfsg1-3.1 | not yet assigned | Not reported | Not reported |
| Debian | libxml2 | source | forky | 2.9.4+dfsg1-3.1 | not yet assigned | Not reported | Not reported |
| Debian | libxml2 | source | trixie | 2.9.4+dfsg1-3.1 | not yet assigned | Not reported | Not reported |
| Debian | libxml2 | source | bookworm | 2.9.4+dfsg1-3.1 | not yet assigned | Not reported | Not reported |
| Alpine | libxml2 | apk | 3.4 | 2.9.5-r0 | Not reported | ALPINE-CVE-2017-16931 | Not reported |
| Alpine | libxml2 | apk | 3.5 | 2.9.5-r0 | Not reported | ALPINE-CVE-2017-16931 | Not reported |
| Alpine | libxml2 | apk | 3.6 | 2.9.5-r0 | Not reported | ALPINE-CVE-2017-16931 | 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:
2.9.4+dfsg1-3.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u6· arm64 · bookwormFixed · Fixed:
2.9.4+dfsg1-3.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· amd64 · bookworm-securityFixed · Fixed:
2.9.4+dfsg1-3.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· arm64 · bookworm-securityFixed · Fixed:
2.9.4+dfsg1-3.1dsa · libxml2 · debian · bookworm
- [libxml2-dev]Unknown
Source package: [libxml2]
Details (4)
2.9.14+dfsg-1.3~deb12u6· amd64 · bookwormFixed · Fixed:
2.9.4+dfsg1-3.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u6· arm64 · bookwormFixed · Fixed:
2.9.4+dfsg1-3.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· amd64 · bookworm-securityFixed · Fixed:
2.9.4+dfsg1-3.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· arm64 · bookworm-securityFixed · Fixed:
2.9.4+dfsg1-3.1dsa · libxml2 · debian · bookworm
- [libxml2-doc]Unknown
Source package: [libxml2]
Details (4)
2.9.14+dfsg-1.3~deb12u6· all · bookwormFixed · Fixed:
2.9.4+dfsg1-3.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u6· all · bookwormFixed · Fixed:
2.9.4+dfsg1-3.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· all · bookworm-securityFixed · Fixed:
2.9.4+dfsg1-3.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· all · bookworm-securityFixed · Fixed:
2.9.4+dfsg1-3.1dsa · libxml2 · debian · bookworm
- [libxml2-utils]Unknown
Source package: [libxml2]
Details (4)
2.9.14+dfsg-1.3~deb12u6· amd64 · bookwormFixed · Fixed:
2.9.4+dfsg1-3.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u6· arm64 · bookwormFixed · Fixed:
2.9.4+dfsg1-3.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· amd64 · bookworm-securityFixed · Fixed:
2.9.4+dfsg1-3.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· arm64 · bookworm-securityFixed · Fixed:
2.9.4+dfsg1-3.1dsa · libxml2 · debian · bookworm
- [python3-libxml2]Unknown
Source package: [libxml2]
Details (4)
2.9.14+dfsg-1.3~deb12u6· amd64 · bookwormFixed · Fixed:
2.9.4+dfsg1-3.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u6· arm64 · bookwormFixed · Fixed:
2.9.4+dfsg1-3.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· amd64 · bookworm-securityFixed · Fixed:
2.9.4+dfsg1-3.1dsa · libxml2 · debian · bookworm
2.9.14+dfsg-1.3~deb12u4· arm64 · bookworm-securityFixed · Fixed:
2.9.4+dfsg1-3.1dsa · libxml2 · debian · bookworm
Observed:
References
- [https://cert-portal.siemens.com/productcert/csaf/ssa-398330.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2017-16931]
- [https://osv.dev/vulnerability/ALPINE-CVE-2017-16931]
- [https://osv.dev/vulnerability/DLA-1194-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2017-16931]
- [https://security-tracker.debian.org/tracker/CVE-2017-16931]
- [https://security.access.redhat.com/data/csaf/v2/vex/2017/cve-2017-16931.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1614.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]