| Name | CVE-2025-52497 |
| Description | Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in mbedtls_pem_read_buffer and two mbedtls_pk_parse functions, via untrusted PEM input. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4274-1 |
| Debian Bugs | 1108786 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| mbedtls (PTS) | bookworm | 2.28.3-1 | vulnerable |
| trixie | 3.6.5-0.1~deb13u1 | fixed | |
| forky, sid | 3.6.7-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| mbedtls | source | bullseye | 2.16.9-0.1+deb11u2 | DLA-4274-1 | ||
| mbedtls | source | bookworm | (unfixed) | end-of-life | ||
| mbedtls | source | (unstable) | 3.6.4-1 | 1108786 |
[bookworm] - mbedtls <end-of-life> (EOL in bookworm LTS)
https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-2.md