CVE-2026-43861 PUBLISHED

Assigner: mitre
Reserved: 04.05.2026 Published: 04.05.2026 Updated: 04.05.2026

mutt before 2.3.2 does not check for '\0' in url_pct_decode.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS Score: 3.7

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	mutt
Product	mutt
Versions	Default: unaffected affected from 0 to 2.3.2 (excl.)

References

https://github.com/muttmua/mutt/commit/12f54fe3b61f761c096fe95e95d5e3072af00ed2

Problem Types

CWE-158 Improper Neutralization of Null Byte or NUL Character CWE