Description
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.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected products
- gnu / GNU SASL0 – 2.2.3
References
- MAILING_LISThttps://lists.gnu.org/archive/html/help-gsasl/2026-05/msg00002.html
- MISChttps://codeberg.org/gsasl/gsasl/commit/da9b5ae2962b014879e4a406c3b38f25aa70e97a
- MAILING_LISThttps://lists.debian.org/debian-security-announce/2026/msg00182.html
- MAILING_LISThttps://lists.gnu.org/archive/html/help-gsasl/2026-05/msg00000.html