CVE-2023-27478

libmemcached-awesome is an open source C/C++ client library and tools for the memcached server. `libmemcached` could return data for a previously requested key, if that previous request timed out due to a low `POLL_TIMEOUT`. This issue has been addressed in version 1.1.4. Users are advised to upgrade. There are several ways to workaround or lower the probability of this bug affecting a given deployment. 1: use a reasonably high `POLL_TIMEOUT` setting, like the default. 2: use separate libmemcached connections for unrelated data. 3: do not re-use libmemcached connections in an unknown state.

• CWE-200

• https://github.com/awesomized/libmemcached/commit/48dcc61aPatch
• https://github.com/awesomized/libmemcached/releases/tag/1.1.4Release Notes
• https://github.com/awesomized/libmemcached/security/advisories/GHSA-wwmh-39wj-fx59Patch, Third Party Advisory
• https://github.com/php-memcached-dev/php-memcached/issues/531Exploit, Issue Tracking, Patch, Third Party Advisory
• https://github.com/awesomized/libmemcached/commit/48dcc61aPatch
• https://github.com/awesomized/libmemcached/releases/tag/1.1.4Release Notes
• https://github.com/awesomized/libmemcached/security/advisories/GHSA-wwmh-39wj-fx59Patch, Third Party Advisory
• https://github.com/php-memcached-dev/php-memcached/issues/531Exploit, Issue Tracking, Patch, Third Party Advisory

Published

Mar 7, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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