CVE-2025-48965

NameCVE-2025-48965
DescriptionMbed TLS before 3.6.4 has a NULL pointer dereference because mbedtls_asn1_store_named_data can trigger conflicting data with val.p of NULL but val.len greater than zero.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-4274-1
Debian Bugs1108790

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mbedtls (PTS)bullseye2.16.9-0.1vulnerable
bullseye (security)2.16.9-0.1+deb11u3fixed
bookworm2.28.3-1vulnerable
forky, sid, trixie3.6.4-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mbedtlssourcebullseye2.16.9-0.1+deb11u2DLA-4274-1
mbedtlssource(unstable)3.6.4-11108790

Notes

https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-6.md

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