In GNU SASL before 2.2.3, DIGEST-MD5 has a NULL pointer dereference affecting both clients and servers, via a known token with no accompanying = character. This occurs in lib/digest-md5/getsubopt.c.Referenceshttps://lists.gnu.org/archive/html/help-gsasl/2026-05/msg00002.htmlhttps://codeberg.org/gsasl/gsasl/commit/da9b5ae2962b014879e4a406c3b38f25aa70e97ahttps://lists.debian.org/debian-security-announce/2026/msg00182.htmlhttps://lists.gnu.org/archive/html/help-gsasl/2026-05/msg00000.html
