CVE-2025-27809

Name
CVE-2025-27809
Description
Mbed TLS before 2.28.10 and 3.x before 3.6.3, on the client side, accepts servers that have trusted certificates for arbitrary hostnames unless the TLS client application calls mbedtls_ssl_set_hostname.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
cve@mitre.org https://github.com/Mbed-TLS/mbedtls/releases
cve@mitre.org https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-03-1/
af854a3a-2127-422b-91ae-364da2661108 https://github.com/Mbed-TLS/mbedtls/issues/466
af854a3a-2127-422b-91ae-364da2661108 https://mastodon.social/@bagder/114219540623402700

Match rules

CPE URI Source package Min version Max version
mbedtls >= 0 < 2.28.10
mbedtls >= 3.0.0 < 3.6.3

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
mbedtls edge-main 3.6.2-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
mbedtls edge-main 3.6.3-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
mbedtls2 edge-community 2.28.10-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
mbedtls 3.21-main 3.6.3-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
mbedtls2 3.21-community 2.28.10-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
mbedtls 3.20-main 3.6.3-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
mbedtls 3.19-main 2.28.10-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
mbedtls 3.18-main 2.28.10-r0 Natanael Copa <ncopa@alpinelinux.org> fixed