CVE-2026-90698

Description

A security flaw has been discovered in memcached 1.6.41/1.6.42/1.6.43. This vulnerability affects the function try_read_command_asciiauth of the file proto_text.c of the component mcmc Tokenizer. The manipulation results in out-of-bounds read. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.6.44 is able to resolve this issue. The patch is identified as af05c9302bba508b736c3da1d5670f63fe8b7db4. You should upgrade the affected component.

References

https://vuldb.com/vuln/403231/cti

https://vuldb.com/vuln/403231

https://vuldb.com/submit/916219

https://vuldb.com/submit/916217

https://vuldb.com/cve/CVE-2026-90698

https://protectiv.ph/research/memcached-asciiauth-empty-line-dos

https://github.com/memcached/memcached/releases/tag/1.6.44

https://github.com/memcached/memcached/commit/af05c9302bba508b736c3da1d5670f63fe8b7db4

https://github.com/memcached/memcached/

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4

EPSS