Description
Memcached 1.6.x before 1.6.2 allows remote attackers to cause a denial of service (daemon crash) via a crafted binary protocol header to try_read_command_binary in memcached.c.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | memcached | 1.6.2-1 | — |
| Debian 13 | memcached | 1.6.2-1 | — |
| Debian 12 | memcached | 1.6.2-1 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | memcached | 1.6.9-2.3 | openSUSE-SU-2024:11045-1 |
Advisories 1
- openSUSE-SU-2024:11045-1 memcached-1.6.9-2.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026