CVE-2026-11774

An integer overflow flaw was found in the SASL I/O layer of 389 Directory Server 389-ds-base. In sasliostartpacket, adding sizeofuint32t to a crafted SASL packet length prefix of 0xFFFFFFFC causes unsigned wraparound to zero, bypassing the nsslapd-maxsasliosize limit and leading to a heap buffer...

CVE-2026-11774

CVE-2026-11774 affects the SASL I/O layer in 389-ds-base (389 Directory Server). A crafted SASL packet with a length prefix of 0xFFFFFFFC triggers an unsigned wraparound when sasl_io_start_packet() adds sizeof(uint32_t), bypassing nsslapd-maxsasliosize and causing a heap buffer overflow of up to ...