CVE catalog

CVE-2026-25832

mbedtls: CVE-2026-25832

Severity: Low · CVSS 3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Published: Jul 8, 2026, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.28% · Oct 25, 2026

In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised group.

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`	vulnerable
Debian	mbedtls	bookworm	`2.28.3-1`	vulnerable
Alpine	mbedtls	3.21	`3.6.7-r0`	fixed
Alpine	mbedtls	3.22	`3.6.7-r0`	fixed
Alpine	mbedtls	3.23	`3.6.7-r0`	fixed
Alpine	mbedtls	3.24	`4.1.1-r0`	fixed
Opensuse	mbedtls	leap 16.0	`3.6.7-bp160.1.1`	fixed
Opensuse	mbedtls-3	tumbleweed	`3.6.7-1.1`	fixed
Opensuse	mbedtls	tumbleweed	`4.2.0-1.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	mbedtls	source	sid	`3.6.7-2`	not yet assigned	Not reported	Not reported
Debian	mbedtls	source	forky	`3.6.7-2`	not yet assigned	Not reported	Not reported
Debian	mbedtls	source	trixie	`(unfixed)`	not yet assigned	Not reported	Not reported
Debian	mbedtls	source	bookworm	`(unfixed)`	end-of-life	Not reported	Not reported
Alpine	mbedtls	apk	3.21	`3.6.7-r0`	Not reported	ALPINE-CVE-2026-25832	Not reported
Alpine	mbedtls	apk	3.22	`3.6.7-r0`	Not reported	ALPINE-CVE-2026-25832	Not reported
Alpine	mbedtls	apk	3.23	`3.6.7-r0`	Not reported	ALPINE-CVE-2026-25832	Not reported
Alpine	mbedtls	apk	3.24	`4.1.1-r0`	Not reported	ALPINE-CVE-2026-25832	Not reported
Opensuse	mbedtls	rpm	leap 16.0	`3.6.7-bp160.1.1`	Not reported	OPENSUSE-SU-2026:21865-1	Not reported
Opensuse	mbedtls-3	rpm	tumbleweed	`3.6.7-1.1`	Not reported	OPENSUSE-SU-2026:11267-1	Not reported
Opensuse	mbedtls	rpm	tumbleweed	`4.2.0-1.1`	Not reported	OPENSUSE-SU-2026:11215-1	Not reported

Notes

[trixie] mbedtls: Minor issue; can be fixed via point releases

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libmbedcrypto7]Affected
Source package: [mbedtls]
Details (2)
- 2.28.3-1 · amd64 · bookworm
  Affected
  dsa · mbedtls · debian · bookworm; dsa · mbedtls · debian · 12
- 2.28.3-1 · arm64 · bookworm
  Affected
  dsa · mbedtls · debian · bookworm; dsa · mbedtls · debian · 12
[libmbedtls14]Affected
Source package: [mbedtls]
Details (2)
- 2.28.3-1 · amd64 · bookworm
  Affected
  dsa · mbedtls · debian · bookworm; dsa · mbedtls · debian · 12
- 2.28.3-1 · arm64 · bookworm
  Affected
  dsa · mbedtls · debian · bookworm; dsa · mbedtls · debian · 12
[libmbedtls-dev]Affected
Source package: [mbedtls]
Details (2)
- 2.28.3-1 · amd64 · bookworm
  Affected
  dsa · mbedtls · debian · bookworm; dsa · mbedtls · debian · 12
- 2.28.3-1 · arm64 · bookworm
  Affected
  dsa · mbedtls · debian · bookworm; dsa · mbedtls · debian · 12
[libmbedtls-doc]Affected
Source package: [mbedtls]
Details (2)
- 2.28.3-1 · all · bookworm
  Affected
  dsa · mbedtls · debian · bookworm; dsa · mbedtls · debian · 12
- 2.28.3-1 · all · bookworm
  Affected
  dsa · mbedtls · debian · bookworm; dsa · mbedtls · debian · 12
[libmbedx509-1]Affected
Source package: [mbedtls]
Details (2)
- 2.28.3-1 · amd64 · bookworm
  Affected
  dsa · mbedtls · debian · bookworm; dsa · mbedtls · debian · 12
- 2.28.3-1 · arm64 · bookworm
  Affected
  dsa · mbedtls · debian · bookworm; dsa · mbedtls · debian · 12

[Debian 13 (Trixie)]

[libmbedcrypto16]Affected
Source package: [mbedtls]
Details (2)
- 3.6.5-0.1~deb13u1 · amd64 · trixie
  Affected
  dsa · mbedtls · debian · 13
- 3.6.5-0.1~deb13u1 · arm64 · trixie
  Affected
  dsa · mbedtls · debian · 13
[libmbedtls21]Affected
Source package: [mbedtls]
Details (2)
- 3.6.5-0.1~deb13u1 · amd64 · trixie
  Affected
  dsa · mbedtls · debian · 13
- 3.6.5-0.1~deb13u1 · arm64 · trixie
  Affected
  dsa · mbedtls · debian · 13
[libmbedtls-dev]Affected
Source package: [mbedtls]
Details (2)
- 3.6.5-0.1~deb13u1 · amd64 · trixie
  Affected
  dsa · mbedtls · debian · 13
- 3.6.5-0.1~deb13u1 · arm64 · trixie
  Affected
  dsa · mbedtls · debian · 13
[libmbedtls-doc]Affected
Source package: [mbedtls]
Details (2)
- 3.6.5-0.1~deb13u1 · all · trixie
  Affected
  dsa · mbedtls · debian · 13
- 3.6.5-0.1~deb13u1 · all · trixie
  Affected
  dsa · mbedtls · debian · 13
[libmbedx509-7]Affected
Source package: [mbedtls]
Details (2)
- 3.6.5-0.1~deb13u1 · amd64 · trixie
  Affected
  dsa · mbedtls · debian · 13
- 3.6.5-0.1~deb13u1 · arm64 · trixie
  Affected
  dsa · mbedtls · debian · 13

[openSUSE Tumbleweed]

[libeverest]Unknown
Source package: [mbedtls-3]
Details (1)
- 3.6.7-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 3.6.7-1.1
  Version impact unknown
  dsa · mbedtls-3 · opensuse · tumbleweed
[libeverest-x86-64-v3]Unknown
Source package: [mbedtls-3]
Details (1)
- 3.6.7-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 3.6.7-1.1
  Version impact unknown
  dsa · mbedtls-3 · opensuse · tumbleweed
[libmbedcrypto16]Unknown
Source package: [mbedtls-3]
Details (1)
- 3.6.7-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 3.6.7-1.1
  Version impact unknown
  dsa · mbedtls-3 · opensuse · tumbleweed
[libmbedcrypto16-x86-64-v3]Unknown
Source package: [mbedtls-3]
Details (1)
- 3.6.7-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 3.6.7-1.1
  Version impact unknown
  dsa · mbedtls-3 · opensuse · tumbleweed
[libmbedtls21]Unknown
Source package: [mbedtls-3]
Details (1)
- 3.6.7-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 3.6.7-1.1
  Version impact unknown
  dsa · mbedtls-3 · opensuse · tumbleweed
[libmbedtls21-x86-64-v3]Unknown
Source package: [mbedtls-3]
Details (1)
- 3.6.7-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 3.6.7-1.1
  Version impact unknown
  dsa · mbedtls-3 · opensuse · tumbleweed
[libmbedtls23]Unknown
Source package: [mbedtls]
Details (1)
- 4.2.0-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 4.2.0-1.1
  Version impact unknown
  dsa · mbedtls · opensuse · tumbleweed
[libmbedtls23-x86-64-v3]Unknown
Source package: [mbedtls]
Details (1)
- 4.2.0-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 4.2.0-1.1
  Version impact unknown
  dsa · mbedtls · opensuse · tumbleweed
[libmbedx509-7]Unknown
Source package: [mbedtls-3]
Details (1)
- 3.6.7-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 3.6.7-1.1
  Version impact unknown
  dsa · mbedtls-3 · opensuse · tumbleweed
[libmbedx509-7-x86-64-v3]Unknown
Source package: [mbedtls-3]
Details (1)
- 3.6.7-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 3.6.7-1.1
  Version impact unknown
  dsa · mbedtls-3 · opensuse · tumbleweed

Next results

Observed: Oct 23, 2026, 9:44:26 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]