CVE-2026-48829

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-24 · updated 2026-07-23
Weakness: CWE-476

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.

Affected products

GNU SASL: before 2.2.3 — fixed in 2.2.3

How to fix

Upgrade to a fixed version: GNU SASL 2.2.3. Check the vendor advisory for mitigations.

References

https://codeberg.org/gsasl/gsasl/commit/da9b5ae2962b014879e4a406c3b38f25aa70e97a
https://lists.debian.org/debian-security-announce/2026/msg00182.html
https://lists.gnu.org/archive/html/help-gsasl/2026-05/msg00000.html
https://lists.gnu.org/archive/html/help-gsasl/2026-05/msg00002.html
https://lists.debian.org/debian-lts-announce/2026/06/msg00007.html

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