CVE-2026-48829
published 2026-05-24CVE-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…
PriorityP338high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.46%
36.6th percentile
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
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| gnu | gnu_sasl | < 2.2.3 | 2.2.3 |
| ubuntu | gsasl | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
cvelistv5v3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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VulDB
GNU SASL up to 2.2.2 DIGEST-MD5 getsubopt.c null pointer dereference (Nessus ID 316646 / CNNVD-202605-4912)
vuldb·2026-05-26
CVE-2026-48829 [LOW] GNU SASL up to 2.2.2 DIGEST-MD5 getsubopt.c null pointer dereference (Nessus ID 316646 / CNNVD-202605-4912)
A vulnerability classified as problematic was found in GNU SASL up to 2.2.2. This issue affects some unknown processing in the library lib/digest-md5/getsubopt.c of the component DIGEST-MD5 Handler. The manipulation results in null pointer dereference.
This vulnerability was named CVE-2026-48829. The attack may be performed from remote. There is no available exploit.
Upgrading the affected component is advised.
GHSA
GHSA-5px8-3qcf-qpm5: In GNU SASL before 2
ghsa_unreviewed·2026-05-26
CVE-2026-48829 [HIGH] CWE-476 GHSA-5px8-3qcf-qpm5: In GNU SASL before 2
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.
CVEList
CVE-2026-48829: In GNU SASL before 2
cvelistv5·2026-05-24·CVSS 7.5
CVE-2026-48829 [HIGH] CWE-476 CVE-2026-48829: In GNU SASL before 2
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.
Ubuntu
GNU SASL vulnerability
vendor_ubuntu·2026-06-01
CVE-2026-48829 GNU SASL vulnerability
Title: GNU SASL vulnerability
Summary: GNU SASL could be made to crash if it received specially crafted input.
It was discovered that GNU SASL did not properly handle certain DIGEST-MD5
tokens. An attacker could possibly use this issue to cause GNU SASL to
crash, resulting in a denial of service.
Instructions: In general, a standard system update will make all the necessary changes.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://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.htmlhttps://lists.gnu.org/archive/html/help-gsasl/2026-05/msg00002.htmlhttps://lists.debian.org/debian-lts-announce/2026/06/msg00007.html
2026-05-24
Published