DEBIAN-CVE-2025-49600: mbedtls security update

DEBIAN-CVE-2025-49600, released July 4, 2025, fixes 1 CVE in mbedtls (version 3.6.4-1). None of them is reported as exploited. Patch Radar priority: Routine.

Routine

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

4.9

Base score, 0 to 10

Highest EPSS

0.0016

5th percentile

Fixed package versions

Product	Release	Fixed in
mbedtls	Debian 13.5 (trixie)	3.6.4-1
mbedtls	Debian 14	3.6.4-1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Routine	CVE-2025-49600	mbedtls: In MbedTLS 3.3.0 before 3.6.4, mbedtls_lms_verify may accept invalid signatures if hash computation fails and interna...	4.9	0.0016	None reported

Also fixes CVE-2025-49600

OPENSUSE-SU-2026:21144-1
mbedtls on opensuse-leap 16.0

Vendor advisory

https://security-tracker.debian.org/tracker/CVE-2025-49600

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