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SUSE-SU-2026:1952-1 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceSUSE-SU-2026:1952-1

SUSE-SU-2026:1952-1

HIGH7.7

Security update for ovmf

Published May 18, 2026

Modified 2 weeks ago

Fix available

Details

Description of the patch:

This update for ovmf fixes the following issues

CVE-2026-25833: mbedtls: buffer underflow in x509_inet_pton_ipv6() (bsc#1261476).
CVE-2026-25834: mbedtls: Algorithm downgrade vulnerability (bsc#1261477).
CVE-2026-25835: mbedtls: PSA random generator cloning (bsc#1261478).
CVE-2026-34874: mbedtls: NULL pointer dereference when setting a distinguished name (bsc#1261469).

Changes for ovmf:

Update mbedtls to 3.6.6.

Affected Packages

qemu-ovmf-x86_64

SUSE Linux Enterprise Module for Package Hub 15 SP7SUSE Linux Enterprise Module for Server Applications 15 SP7

Fixed in:

202408-150700.3.18.1

qemu-ovmf-x86_64-debug

SUSE Linux Enterprise Module for Package Hub 15 SP7

Fixed in:

202408-150700.3.18.1

qemu-uefi-aarch32

SUSE Linux Enterprise Module for Package Hub 15 SP7

Fixed in:

202408-150700.3.18.1

qemu-uefi-aarch64

SUSE Linux Enterprise Module for Package Hub 15 SP7SUSE Linux Enterprise Module for Server Applications 15 SP7

Fixed in:

202408-150700.3.18.1

ovmf

SUSE Linux Enterprise Module for Server Applications 15 SP7

Fixed in:

202408-150700.3.18.1

ovmf-tools

SUSE Linux Enterprise Module for Server Applications 15 SP7

Fixed in:

202408-150700.3.18.1

References

https://bugzilla.suse.com/1261469

https://bugzilla.suse.com/1261476

https://bugzilla.suse.com/1261477

https://bugzilla.suse.com/1261478

https://lists.suse.com/pipermail/sle-updates/2026-May/046531.html

https://www.suse.com/security/cve/CVE-2026-25833/

https://www.suse.com/security/cve/CVE-2026-25834/

https://www.suse.com/security/cve/CVE-2026-25835/

https://www.suse.com/security/cve/CVE-2026-34874/

https://www.suse.com/support/security/rating/

https://www.suse.com/support/update/announcement/2026/suse-su-20261952-1/

CVSS Analysis

CVSS v3.1

7.7

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

NoneA:N

7.7/CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Upstream

CVE-2026-25833 CVE-2026-25834 CVE-2026-25835 CVE-2026-34874

Ecosystems

SUSE Linux Enterprise Module for Package Hub 15 SP7 SUSE Linux Enterprise Module for Server Applications 15 SP7

Timeline

PublishedMay 18, 2026

ModifiedMay 18, 2026