High severity · published May 24, 2026
CVE-2026-48829
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
7.5
CVSS
0.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GS
GNU SASL · GNU
before 2.2.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-48829
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-48829
codeberg.org
https://codeberg.org/gsasl/gsasl/commit/da9b5ae2962b014879e4a406c3b38f25aa70e97a
lists.debian.org
https://lists.debian.org/debian-security-announce/2026/msg00182.html
lists.gnu.org
https://lists.gnu.org/archive/html/help-gsasl/2026-05/msg00000.html
lists.gnu.org
https://lists.gnu.org/archive/html/help-gsasl/2026-05/msg00002.html
lists.debian.org
https://lists.debian.org/debian-lts-announce/2026/06/msg00007.html
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