CVE-2026-11774
CVE-2026-11774
An integer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_start_packet(), adding sizeof(uint32_t) to a crafted SASL packet length prefix of 0xFFFFFFFC causes unsigned wraparound to zero, byp…
Vulnerability class: Integer Overflow
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-11774?
- CVE-2026-11774 is a high-severity vulnerability, classified under Integer Overflow or Wraparound. CVSS score: 7.6/10. Published 2026-06-11.
- How severe is CVE-2026-11774?
- High severity. CVSS v3 base score is 7.6 out of 10.