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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://github.com/memcached/memcached/
- https://github.com/memcached/memcached/commit/af05c9302bba508b736c3da1d5670f63fe8b7db4
- https://github.com/memcached/memcached/releases/tag/1.6.44
- https://protectiv.ph/research/memcached-asciiauth-empty-line-dos
- https://vuldb.com/cve/CVE-2026-90698
- https://vuldb.com/submit/916217
- https://vuldb.com/submit/916219
- https://vuldb.com/vuln/403231
- https://vuldb.com/vuln/403231/cti
CWEs
CWE-119 CWE-125
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.