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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00042.

Exploitation none

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
GNU GNU SASL unaffected
Version Status Constraints
0 affected < 2.2.3

No data.

No data.

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Vendors Products
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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://codeberg.org/gsasl/gsasl/commit/da9b5ae2962b014879e4a406c3b38f25aa70e97a cve-icon cve-icon
https://lists.debian.org/debian-security-announce/2026/msg00182.html cve-icon cve-icon
https://lists.gnu.org/archive/html/help-gsasl/2026-05/msg00000.html cve-icon cve-icon
https://lists.gnu.org/archive/html/help-gsasl/2026-05/msg00002.html cve-icon cve-icon
History

Tue, 26 May 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Sun, 24 May 2026 04:45:00 +0000

Type Values Removed Values Added
Title NULL Pointer Dereference in DIGEST-MD5 Handling of GNU SASL 2.2.3 and Earlier

Sun, 24 May 2026 03:30:00 +0000

Type Values Removed Values Added
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.
First Time appeared Gnu
Gnu gnu Sasl
Weaknesses CWE-476
CPEs cpe:2.3:a:gnu:gnu_sasl:*:*:*:*:*:*:*:*
Vendors & Products Gnu
Gnu gnu Sasl
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-26T15:21:29.987Z

Reserved: 2026-05-24T02:22:03.024Z

Link: CVE-2026-48829

cve-icon Vulnrichment

Updated: 2026-05-26T15:21:24.856Z

cve-icon NVD

Status : Deferred

Published: 2026-05-24T04:16:39.150

Modified: 2026-05-26T20:19:21.240

Link: CVE-2026-48829

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-25T11:30:23Z

Weaknesses