CVE catalog
CVE-2021-44854
mediawiki: CVE-2021-44854
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.63% · Oct 25, 2026
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. The REST API publicly caches results from private wikis.
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 | mediawiki | sid | 1:1.43.11+dfsg-3 | fixed |
| Debian | mediawiki | forky | 1:1.43.11+dfsg-1 | fixed |
| Debian | mediawiki | trixie | 1:1.43.9+dfsg-1~deb13u1 | fixed |
| Debian | mediawiki | trixie-security | 1:1.43.9+dfsg-1~deb13u1 | fixed |
| Debian | mediawiki | bookworm | 1:1.39.17-1+deb12u2 | fixed |
| Debian | mediawiki | bookworm-security | 1:1.39.17-1+deb12u2 | fixed |
| Ubuntu | mediawiki | 18.04 | 1:1.27.3-1 | vulnerable |
| Ubuntu | mediawiki | 18.04 | 1:1.27.4-1 | vulnerable |
| Ubuntu | mediawiki | 18.04 | 1:1.27.4-2 | vulnerable |
| Ubuntu | mediawiki | 18.04 | 1:1.27.4-3 | vulnerable |
| Ubuntu | mediawiki | pro | 1:1.31.2-1ubuntu1 | vulnerable |
| Ubuntu | mediawiki | pro | 1:1.31.5-1 | vulnerable |
| Ubuntu | mediawiki | pro | 1:1.31.5-1ubuntu1 | vulnerable |
| Ubuntu | mediawiki | pro | 1:1.31.5-2 | vulnerable |
| Ubuntu | mediawiki | pro | 1:1.31.5-3 | vulnerable |
| Ubuntu | mediawiki | pro | 1:1.31.5-3ubuntu1 | vulnerable |
| Ubuntu | mediawiki | pro | 1:1.31.6-1 | vulnerable |
| Ubuntu | mediawiki | pro | 1:1.31.7-1 | vulnerable |
| Ubuntu | mediawiki | pro | 1:1.31.7-1ubuntu0.1~esm1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | mediawiki | source | sid | 1:1.35.5-1 | not yet assigned | Not reported | Not reported |
| Debian | mediawiki | source | forky | 1:1.35.5-1 | not yet assigned | Not reported | Not reported |
| Debian | mediawiki | source | trixie | 1:1.35.5-1 | not yet assigned | Not reported | Not reported |
| Debian | mediawiki | source | bookworm | 1:1.35.5-1 | not yet assigned | Not reported | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [mediawiki]Unknown
Details (4)
1:1.39.17-1+deb12u2· all · bookwormFixed · Fixed:
1:1.35.5-1dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
1:1.39.17-1+deb12u2· all · bookwormFixed · Fixed:
1:1.35.5-1dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
1:1.39.17-1+deb12u2· all · bookworm-securityFixed · Fixed:
1:1.35.5-1dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
1:1.39.17-1+deb12u2· all · bookworm-securityFixed · Fixed:
1:1.35.5-1dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
- [mediawiki-classes]Unknown
Source package: [mediawiki]
Details (4)
1:1.39.17-1+deb12u2· all · bookwormFixed · Fixed:
1:1.35.5-1dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
1:1.39.17-1+deb12u2· all · bookwormFixed · Fixed:
1:1.35.5-1dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
1:1.39.17-1+deb12u2· all · bookworm-securityFixed · Fixed:
1:1.35.5-1dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
1:1.39.17-1+deb12u2· all · bookworm-securityFixed · Fixed:
1:1.35.5-1dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
[Debian 13 (Trixie)]
- [mediawiki]Unknown
Details (4)
1:1.43.9+dfsg-1~deb13u1· all · trixieFixed · Fixed:
1:1.35.5-1dsa · mediawiki · debian · 13
1:1.43.9+dfsg-1~deb13u1· all · trixieFixed · Fixed:
1:1.35.5-1dsa · mediawiki · debian · 13
1:1.43.9+dfsg-1~deb13u1· all · trixie-securityFixed · Fixed:
1:1.35.5-1dsa · mediawiki · debian · 13
1:1.43.9+dfsg-1~deb13u1· all · trixie-securityFixed · Fixed:
1:1.35.5-1dsa · mediawiki · debian · 13
- [mediawiki-classes]Unknown
Source package: [mediawiki]
Details (4)
1:1.43.9+dfsg-1~deb13u1· all · trixieFixed · Fixed:
1:1.35.5-1dsa · mediawiki · debian · 13
1:1.43.9+dfsg-1~deb13u1· all · trixieFixed · Fixed:
1:1.35.5-1dsa · mediawiki · debian · 13
1:1.43.9+dfsg-1~deb13u1· all · trixie-securityFixed · Fixed:
1:1.35.5-1dsa · mediawiki · debian · 13
1:1.43.9+dfsg-1~deb13u1· all · trixie-securityFixed · Fixed:
1:1.35.5-1dsa · mediawiki · debian · 13
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-44854]
- [https://osv.dev/vulnerability/DSA-5246-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-44854]
- [https://security-tracker.debian.org/tracker/CVE-2021-44854]
- [https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2022-1512.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]