CVE catalog
CVE-2021-37519
memcached: CVE-2021-37519
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.36% · Oct 25, 2026
Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion file.
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 | memcached | sid | 1.6.45-1 | fixed |
| Debian | memcached | forky | 1.6.45-1 | fixed |
| Debian | memcached | trixie | 1.6.38-1 | fixed |
| Debian | memcached | bookworm | 1.6.18-1 | fixed |
| Debian | memcached | bookworm-security | 1.6.18-1+deb12u1 | fixed |
| Ubuntu | memcached | 20.04 | 1.5.10-0ubuntu3 | vulnerable |
| Ubuntu | memcached | 20.04 | 1.5.10-0ubuntu4 | vulnerable |
| Ubuntu | memcached | 20.04 | 1.5.19-2 | vulnerable |
| Ubuntu | memcached | 20.04 | 1.5.20-1 | vulnerable |
| Ubuntu | memcached | 20.04 | 1.5.22-1ubuntu1 | vulnerable |
| Ubuntu | memcached | 20.04 | 1.5.22-2 | vulnerable |
| Ubuntu | memcached | 20.04 | 1.5.22-2ubuntu0.1 | vulnerable |
| Ubuntu | memcached | 20.04 | 1.5.22-2ubuntu0.2 | vulnerable |
| Ubuntu | memcached | 20.04 | 1.5.22-2ubuntu0.3 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | memcached | source | sid | 1.6.10+dfsg-1 | not yet assigned | Not reported | Not reported |
| Debian | memcached | source | forky | 1.6.10+dfsg-1 | not yet assigned | Not reported | Not reported |
| Debian | memcached | source | trixie | 1.6.10+dfsg-1 | not yet assigned | Not reported | Not reported |
| Debian | memcached | source | bookworm | 1.6.10+dfsg-1 | not yet assigned | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [memcached]Fixed
Details (2)
1.6.18-1· amd64 · bookwormFixed · Fixed:
1.6.10+dfsg-1dsa · memcached · debian · bookworm; dsa · memcached · debian · 12
1.6.18-1· arm64 · bookwormFixed · Fixed:
1.6.10+dfsg-1dsa · memcached · debian · bookworm; dsa · memcached · debian · 12
[Debian 13 (Trixie)]
- [memcached]Fixed
Details (2)
1.6.38-1· amd64 · trixieFixed · Fixed:
1.6.10+dfsg-1dsa · memcached · debian · 13
1.6.38-1· arm64 · trixieFixed · Fixed:
1.6.10+dfsg-1dsa · memcached · debian · 13
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-37519]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-37519]
- [https://security-tracker.debian.org/tracker/CVE-2021-37519]
- [https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1021.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]