CVE-2026-90698
mediumA security flaw has been discovered in memcached 1.6.41/1.6.42/1.6.43.
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/memcached/memcached/ cna@vuldb.com
- https://github.com/memcached/memcached/commit/af05c9302bba508b736c3da1d5670f63fe8b7db4 cna@vuldb.com
- https://github.com/memcached/memcached/releases/tag/1.6.44 cna@vuldb.com
- https://protectiv.ph/research/memcached-asciiauth-empty-line-dos cna@vuldb.com
- https://vuldb.com/cve/CVE-2026-90698 cna@vuldb.com
- https://vuldb.com/submit/916217 cna@vuldb.com
- https://vuldb.com/submit/916219 cna@vuldb.com
- https://vuldb.com/vuln/403231 cna@vuldb.com
- https://vuldb.com/vuln/403231/cti cna@vuldb.com