CVE-2026-47784
HIGH8.1EPSS 0.08%Published: 5/20/2026Modified: 5/29/2026
Description
In memcached before 1.6.42, password data for SASL password database authentication has a timing side channel because memcmp is used by sasl_server_userdb_checkpass.
Affected packages (2)
- Bitnami/memcachedfrom 0, < 1.6.42
- Debian/memcachedfrom 0, < 1.6.9+dfsg-1+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
References (5)
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2026-47784
- WEBhttps://github.com/memcached/memcached/commit/d13f282b4bce33a9c33b8a1bbf07f12114160fed
- WEBhttps://github.com/memcached/memcached/compare/1.6.41...1.6.42
- WEBhttps://github.com/memcached/memcached/wiki/ReleaseNotes1642
- WEBhttps://nvd.nist.gov/vuln/detail/CVE-2026-47784