CVE-2026-43859
mutt before 2.3.2 sometimes uses strfcpy instead of memcpy for the IMAP auth_cram MD5 digest.
Scoring
- Severity
- LOW
- CVSS base score
- 3.7
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
- EPSS probability
- 0.16%
- CWE
- CWE-158
- Published
- 2026-05-04
- Last modified
- 2026-05-04
Affected products
- mutt mutt
Weakness type
Related vulnerabilities
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- CVE-2026-43895 — jq: Embedded NUL in jq import paths causes local redaction-policy bypass and preserves sensitive fields in published artifacts
- CVE-2026-41256 — jq: Embedded NUL truncates top-level jq programs loaded with -f
- CVE-2026-43861 — mutt before 2.3.2 does not check for '\0' in url_pct_decode.
- CVE-2026-33191 — free5GC UDM vulnerable to null byte injection in URL path parameters causing 500 Internal Server Error
- CVE-2026-4359 — Heap-buffer-over-read in _mongoc_http_send via strstr on non-null-terminated buffer