
CVE catalog
CVE-2025-59438
mbedtls: CVE-2025-59438
- Severity
- Medium · CVSS 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.26% · Oct 25, 2026
Mbed TLS through 3.6.4 has an Observable Timing Discrepancy.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | mbedtls | sid | 3.6.7-3 | fixed |
| Debian | mbedtls | forky | 3.6.7-3 | fixed |
| Debian | mbedtls | trixie | 3.6.6-0.1~deb13u1 | fixed |
| Debian | mbedtls | bookworm | 2.28.3-1 | vulnerable |
| Alpine | mbedtls | 3.20 | 3.6.5-r0 | fixed |
| Alpine | mbedtls | 3.21 | 3.6.5-r0 | fixed |
| Alpine | mbedtls | 3.22 | 3.6.5-r0 | fixed |
| Alpine | mbedtls | 3.23 | 3.6.5-r0 | fixed |
| Alpine | mbedtls | 3.24 | 3.6.5-r0 | fixed |
| Opensuse | ovmf | leap 16.0 | 202502-160000.4.1 | fixed |
| Suse | ovmf | linux enterprise server 16.0 | 202502-160000.4.1 | fixed |
| Suse | ovmf | linux enterprise server for sap applications 16.0 | 202502-160000.4.1 | fixed |
| Ubuntu | mbedtls | 16.04 | 2.1.2-1 | vulnerable |
| Ubuntu | mbedtls | 16.04 | 2.2.0-1 | vulnerable |
| Ubuntu | mbedtls | 16.04 | 2.2.1-1 | vulnerable |
| Ubuntu | mbedtls | 16.04 | 2.2.1-2 | vulnerable |
| Ubuntu | mbedtls | 16.04 | 2.2.1-2ubuntu0.1 | vulnerable |
| Ubuntu | mbedtls | 16.04 | 2.2.1-2ubuntu0.2 | vulnerable |
| Ubuntu | mbedtls | 16.04 | 2.2.1-2ubuntu0.3 | vulnerable |
| Ubuntu | mbedtls | pro | 2.16.2-1 | vulnerable |
| Ubuntu | mbedtls | pro | 2.16.3-1 | vulnerable |
| Ubuntu | mbedtls | pro | 2.16.4-1ubuntu2 | vulnerable |
| Ubuntu | mbedtls | pro | 2.16.4-1ubuntu2+esm1 | vulnerable |
| Ubuntu | mbedtls | 22.04 | 2.16.9-0.1ubuntu1 | vulnerable |
| Ubuntu | mbedtls | 22.04 | 2.16.11-0.1ubuntu1 | vulnerable |
| Ubuntu | mbedtls | 22.04 | 2.16.11-0.3 | vulnerable |
| Ubuntu | mbedtls | 22.04 | 2.28.0-1 | vulnerable |
| Ubuntu | mbedtls | 22.04 | 2.28.0-1build1 | vulnerable |
| Ubuntu | mbedtls | 24.04 | 2.28.3-1 | vulnerable |
| Ubuntu | mbedtls | 24.04 | 2.28.6-1ubuntu1 | vulnerable |
| Ubuntu | mbedtls | 24.04 | 2.28.7-1ubuntu1 | vulnerable |
| Ubuntu | mbedtls | 24.04 | 2.28.7-1.1ubuntu1 | vulnerable |
| Ubuntu | mbedtls | 24.04 | 2.28.8-1 | vulnerable |
| Ubuntu | mbedtls | 25.10 | 3.6.2-3ubuntu1 | vulnerable |
| Suse | ovmf | linux enterprise module for package hub 15 sp7 | 202408-150700.3.15.1 | fixed |
| Suse | ovmf | linux enterprise module for server applications 15 sp7 | 202408-150700.3.15.1 | fixed |
| Suse | ovmf | linux micro 6.2 | 202502-160000.4.1 | fixed |
| Suse | ovmf | linux micro 6.1 | 202402-slfo.1.1_2.1 | fixed |
| Opensuse | vlang | tumbleweed | 0.5-2.1 | fixed |
| Opensuse | micropython | leap 16.0 | 1.26.0-bp160.1.1 | fixed |
| Opensuse | micropython | tumbleweed | 1.26.0-2.1 | fixed |
| Opensuse | ovmf | tumbleweed | 202602-5.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | mbedtls | source | sid | 3.6.5-0.1 | not yet assigned | Not reported | [1118752] |
| Debian | mbedtls | source | forky | 3.6.5-0.1 | not yet assigned | Not reported | [1118752] |
| Debian | mbedtls | source | trixie | 3.6.5-0.1~deb13u1 | not yet assigned | Not reported | [1118752] |
| Debian | mbedtls | source | bookworm | (unfixed) | end-of-life | Not reported | [1118752] |
| Alpine | mbedtls | apk | 3.20 | 3.6.5-r0 | Not reported | ALPINE-CVE-2025-59438 | Not reported |
| Alpine | mbedtls | apk | 3.21 | 3.6.5-r0 | Not reported | ALPINE-CVE-2025-59438 | Not reported |
| Alpine | mbedtls | apk | 3.22 | 3.6.5-r0 | Not reported | ALPINE-CVE-2025-59438 | Not reported |
| Alpine | mbedtls | apk | 3.23 | 3.6.5-r0 | Not reported | ALPINE-CVE-2025-59438 | Not reported |
| Alpine | mbedtls | apk | 3.24 | 3.6.5-r0 | Not reported | ALPINE-CVE-2025-59438 | Not reported |
| Opensuse | ovmf | rpm | leap 16.0 | 202502-160000.4.1 | Not reported | OPENSUSE-SU-2026:20499-1 | Not reported |
| Suse | ovmf | rpm | linux enterprise server 16.0 | 202502-160000.4.1 | Not reported | SUSE-SU-2026:21161-1 | Not reported |
| Suse | ovmf | rpm | linux enterprise server for sap applications 16.0 | 202502-160000.4.1 | Not reported | SUSE-SU-2026:21161-1 | Not reported |
| Suse | ovmf | rpm | linux enterprise module for package hub 15 sp7 | 202408-150700.3.15.1 | Not reported | SUSE-SU-2026:1413-1 | Not reported |
| Suse | ovmf | rpm | linux enterprise module for server applications 15 sp7 | 202408-150700.3.15.1 | Not reported | SUSE-SU-2026:1413-1 | Not reported |
| Suse | ovmf | rpm | linux micro 6.2 | 202502-160000.4.1 | Not reported | SUSE-SU-2026:21018-1 | Not reported |
| Suse | ovmf | rpm | linux micro 6.1 | 202402-slfo.1.1_2.1 | Not reported | SUSE-SU-2026:20769-1 | Not reported |
| Opensuse | vlang | rpm | tumbleweed | 0.5-2.1 | Not reported | OPENSUSE-SU-2026:10083-1 | Not reported |
| Opensuse | micropython | rpm | leap 16.0 | 1.26.0-bp160.1.1 | Not reported | OPENSUSE-SU-2025:20035-1 | Not reported |
| Opensuse | micropython | rpm | tumbleweed | 1.26.0-2.1 | Not reported | OPENSUSE-SU-2025:15662-1 | Not reported |
| Opensuse | ovmf | rpm | tumbleweed | 202602-5.1 | Not reported | OPENSUSE-SU-2026:10378-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libmbedcrypto7]Affected
Source package: [mbedtls]
Details (2)
2.28.3-1· amd64 · bookwormAffected
dsa · mbedtls · debian · bookworm; dsa · mbedtls · debian · 12
2.28.3-1· arm64 · bookwormAffected
dsa · mbedtls · debian · bookworm; dsa · mbedtls · debian · 12
- [libmbedtls14]Affected
Source package: [mbedtls]
Details (2)
2.28.3-1· amd64 · bookwormAffected
dsa · mbedtls · debian · bookworm; dsa · mbedtls · debian · 12
2.28.3-1· arm64 · bookwormAffected
dsa · mbedtls · debian · bookworm; dsa · mbedtls · debian · 12
- [libmbedtls-dev]Affected
Source package: [mbedtls]
Details (2)
2.28.3-1· amd64 · bookwormAffected
dsa · mbedtls · debian · bookworm; dsa · mbedtls · debian · 12
2.28.3-1· arm64 · bookwormAffected
dsa · mbedtls · debian · bookworm; dsa · mbedtls · debian · 12
- [libmbedtls-doc]Affected
Source package: [mbedtls]
Details (2)
2.28.3-1· all · bookwormAffected
dsa · mbedtls · debian · bookworm; dsa · mbedtls · debian · 12
2.28.3-1· all · bookwormAffected
dsa · mbedtls · debian · bookworm; dsa · mbedtls · debian · 12
- [libmbedx509-1]Affected
Source package: [mbedtls]
Details (2)
2.28.3-1· amd64 · bookwormAffected
dsa · mbedtls · debian · bookworm; dsa · mbedtls · debian · 12
2.28.3-1· arm64 · bookwormAffected
dsa · mbedtls · debian · bookworm; dsa · mbedtls · debian · 12
[openSUSE Tumbleweed]
- [mpremote]Unknown
Source package: [micropython]
Details (1)
1.28.0-2.3· noarch · tumbleweedUnknown · Fixed:
1.26.0-2.1Version impact unknown
dsa · micropython · opensuse · tumbleweed
- [mpy-tools]Unknown
Source package: [micropython]
Details (1)
1.28.0-2.3· x86_64 · tumbleweedUnknown · Fixed:
1.26.0-2.1Version impact unknown
dsa · micropython · opensuse · tumbleweed
- [ovmf-tools]Unknown
Source package: [ovmf]
Details (1)
202605-3.1· x86_64 · tumbleweedUnknown · Fixed:
202602-5.1Version impact unknown
dsa · ovmf · opensuse · tumbleweed
- [qemu-ovmf-x86_64]Unknown
Source package: [ovmf]
Details (1)
202605-3.1· noarch · tumbleweedUnknown · Fixed:
202602-5.1Version impact unknown
dsa · ovmf · opensuse · tumbleweed
- [qemu-ovmf-x86_64-debug]Unknown
Source package: [ovmf]
Details (1)
202605-3.1· x86_64 · tumbleweedUnknown · Fixed:
202602-5.1Version impact unknown
dsa · ovmf · opensuse · tumbleweed
- [qemu-uefi-aarch64]Unknown
Source package: [ovmf]
Details (1)
202605-3.1· noarch · tumbleweedUnknown · Fixed:
202602-5.1Version impact unknown
dsa · ovmf · opensuse · tumbleweed
- [qemu-uefi-riscv64]Unknown
Source package: [ovmf]
Details (1)
202605-3.1· noarch · tumbleweedUnknown · Fixed:
202602-5.1Version impact unknown
dsa · ovmf · opensuse · tumbleweed
- [vlang-examples]Unknown
Source package: [vlang]
Details (1)
0.5.2-2.1· noarch · tumbleweedUnknown · Fixed:
0.5-2.1Version impact unknown
dsa · vlang · opensuse · tumbleweed
- [micropython]Fixed
Source package: [micropython]
Details (1)
1.28.0-2.3· x86_64 · tumbleweedFixed · Fixed:
1.26.0-2.1dsa · micropython · opensuse · tumbleweed
- [ovmf]Fixed
Source package: [ovmf]
Details (1)
202605-3.1· x86_64 · tumbleweedFixed · Fixed:
202602-5.1dsa · ovmf · opensuse · tumbleweed
[Debian 13 (Trixie)]
- [libmbedcrypto16]Fixed
Source package: [mbedtls]
Details (2)
3.6.5-0.1~deb13u1· amd64 · trixieFixed · Fixed:
3.6.5-0.1~deb13u1dsa · mbedtls · debian · 13
3.6.5-0.1~deb13u1· arm64 · trixieFixed · Fixed:
3.6.5-0.1~deb13u1dsa · mbedtls · debian · 13
- [libmbedtls21]Fixed
Source package: [mbedtls]
Details (2)
3.6.5-0.1~deb13u1· amd64 · trixieFixed · Fixed:
3.6.5-0.1~deb13u1dsa · mbedtls · debian · 13
3.6.5-0.1~deb13u1· arm64 · trixieFixed · Fixed:
3.6.5-0.1~deb13u1dsa · mbedtls · debian · 13
- [libmbedtls-dev]Fixed
Source package: [mbedtls]
Details (2)
3.6.5-0.1~deb13u1· amd64 · trixieFixed · Fixed:
3.6.5-0.1~deb13u1dsa · mbedtls · debian · 13
3.6.5-0.1~deb13u1· arm64 · trixieFixed · Fixed:
3.6.5-0.1~deb13u1dsa · mbedtls · debian · 13
- [libmbedtls-doc]Fixed
Source package: [mbedtls]
Details (2)
3.6.5-0.1~deb13u1· all · trixieFixed · Fixed:
3.6.5-0.1~deb13u1dsa · mbedtls · debian · 13
3.6.5-0.1~deb13u1· all · trixieFixed · Fixed:
3.6.5-0.1~deb13u1dsa · mbedtls · debian · 13
- [libmbedx509-7]Fixed
Source package: [mbedtls]
Details (2)
3.6.5-0.1~deb13u1· amd64 · trixieFixed · Fixed:
3.6.5-0.1~deb13u1dsa · mbedtls · debian · 13
3.6.5-0.1~deb13u1· arm64 · trixieFixed · Fixed:
3.6.5-0.1~deb13u1dsa · mbedtls · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_21144-1.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2025-59438]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2025-59438]
- [https://osv.dev/vulnerability/SUSE-SU-2026:1413-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:20769-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:21018-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:21161-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2025-59438]
- [https://osv.dev/vulnerability/openSUSE-SU-2025:15662-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2025:20035-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:10083-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:10378-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:20499-1]
- [https://security-tracker.debian.org/tracker/CVE-2025-59438]
- [https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-59438.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]