SUSE-SU-2026:3630-1: important: Security update for kubevirt-1.6, virt-api-container-1.6, virt-controller-container-1.6, virt-exportproxy-container-1.6, virt-exportserver-container-1.6, virt-handler-container-1.6, virt-launcher-cont

SLE-UPDATES null at suse.de
Tue Aug 18 08:33:49 UTC 2026


# Security update for kubevirt-1.6, virt-api-container-1.6, virt-controller-
container-1.6, virt-exportproxy-container-1.6, virt-exportserver-container-1.6,
virt-handler-container-1.6, virt-launcher-cont

Announcement ID: SUSE-SU-2026:3630-1  
Release Date: 2026-08-17T16:50:38Z  
Rating: important  
References:

  * bsc#1251420
  * bsc#1251615
  * bsc#1253935
  * bsc#1254014
  * bsc#1262265
  * bsc#1265736
  * bsc#1266575
  * bsc#1267120
  * bsc#1269093
  * bsc#1272000
  * bsc#1272840
  * bsc#1273606

  
Cross-References:

  * CVE-2025-47911
  * CVE-2025-47914
  * CVE-2025-58181
  * CVE-2025-58190
  * CVE-2026-13201
  * CVE-2026-13622
  * CVE-2026-25680
  * CVE-2026-25681
  * CVE-2026-27136
  * CVE-2026-33814
  * CVE-2026-35469
  * CVE-2026-39821
  * CVE-2026-42502
  * CVE-2026-42506
  * CVE-2026-46600
  * CVE-2026-56852

  
CVSS scores:

  * CVE-2025-47911 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-47911 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2025-47911 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2025-47911 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2025-47914 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-47914 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2025-47914 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2025-58181 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-58181 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2025-58181 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2025-58190 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-58190 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2025-58190 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2025-58190 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-13201 ( SUSE ):  5.2 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
  * CVE-2026-13201 ( NVD ):  7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
  * CVE-2026-13622 ( SUSE ):  9.3
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
  * CVE-2026-13622 ( SUSE ):  8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-13622 ( NVD ):  8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-25680 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-25680 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-25680 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-25681 ( SUSE ):  5.3
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N
  * CVE-2026-25681 ( SUSE ):  6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  * CVE-2026-25681 ( NVD ):  6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  * CVE-2026-27136 ( SUSE ):  5.3
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N
  * CVE-2026-27136 ( SUSE ):  6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  * CVE-2026-27136 ( NVD ):  6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  * CVE-2026-33814 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-33814 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-33814 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-33814 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-35469 ( SUSE ):  7.1
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-35469 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-35469 ( NVD ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-35469 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-39821 ( SUSE ):  9.1
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-39821 ( SUSE ):  7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
  * CVE-2026-39821 ( NVD ):  8.2 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
  * CVE-2026-39821 ( NVD ):  9.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
  * CVE-2026-42502 ( SUSE ):  5.3
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N
  * CVE-2026-42502 ( SUSE ):  6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  * CVE-2026-42502 ( NVD ):  6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  * CVE-2026-42506 ( SUSE ):  5.3
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N
  * CVE-2026-42506 ( SUSE ):  6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  * CVE-2026-42506 ( NVD ):  6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  * CVE-2026-46600 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-46600 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-56852 ( SUSE ):  6.0
    CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-56852 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-56852 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * Containers Module 15-SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves 16 vulnerabilities can now be installed.

## Description:

This update for kubevirt-1.6, virt-api-container-1.6, virt-controller-
container-1.6, virt-exportproxy-container-1.6, virt-exportserver-container-1.6,
virt-handler-container-1.6, virt-launcher-container-1.6, virt-libguestfs-tools-
container-1.6, virt-operator-container-1.6, virt-pr-helper-container-1.6, virt-
synchronization-controller-container-1.6 fixes the following issues:

Security issues fixed:

  * CVE-2025-47911: golang.org/x/net/html: algorithms that have quadratic
    complexity when parsing HTML documents allow for denial of service
    (bsc#1251420).
  * CVE-2025-47914: golang.org/x/crypto/ssh/agent: no validation of message size
    when processing new identity requests can cause a panic due to an out-of-
    bounds read (bsc#1254014).
  * CVE-2025-58181: golang.org/x/crypto/ssh: no validation of number of
    mechanisms in GSSAPI authentication requests can cause unbounded memory
    consumption (bsc#1253935).
  * CVE-2025-58190: golang.org/x/net/html: excessive memory consumption by
    `html.ParseFragment` when processing specially crafted input can lead to a
    denial of service (bsc#1251615).
  * CVE-2026-13201: virt-handler-rhel9: kubevirt: safepath `OpenAtNoFollow`
    symlink following via `/proc/self/fd` allows host file metadata modification
    (bsc#1269093).
  * CVE-2026-13622: virt-handler migration proxy follows symlinks and allows
    container escape to host (bsc#1272840).
  * CVE-2026-25680,CVE-2026-25681,CVE-2026-27136,CVE-2026-42502,CVE-2026-42506:
    golang.org/x/net/html: multiple issues when parsing HTML files
    (bsc#1267120).
  * CVE-2026-33814: golang.org/x/net/http2: processing of HTTP/2 SETTINGS frames
    with a crafted `SETTINGS_MAX_FRAME_SIZE` can lead to an infinite loop and a
    denial of service (bsc#1265736).
  * CVE-2026-35469: github.com/moby/spdystream: improper validation of attacker-
    controlled input in the SPDY/3 frame parser allows for a denial of service
    via crafted SPDY frames (bsc#1262265).
  * CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only
    Punycode-encoded labels allows for validation bypass and privilege
    escalation (bsc#1266575).
  * CVE-2026-46600: parsing of invalid SVCB or HTTPS RR when the size of a
    parameter value overflows the message buffer can lead to panic
    (bsc#1273606).
  * CVE-2026-56852: improper handling of truncated/invalid UTF-8 input can lead
    to an infinite loop (bsc#1272000).

Other updates and bugfixes:

  * Fixed `printf`-style calls with non-constant format strings (`cmd/virt-
    chroot`, `tests/`) that fail `go1.25`'s vet (toolchain required by the
    `x/net` 0.55.0 re-vendor); rewritten with no behavior change.
  * Build with Go >= 1.25 (required by `golang.org/x/net` 0.55).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * Containers Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Containers-15-SP7-2026-3630=1

## Package List:

  * Containers Module 15-SP7 (aarch64 x86_64)
    * kubevirt-1.6-virtctl-debuginfo-1.6.6-150700.15.17.1
    * kubevirt-1.6-manifests-1.6.6-150700.15.17.1
    * kubevirt-1.6-virtctl-1.6.6-150700.15.17.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-47911.html
  * https://www.suse.com/security/cve/CVE-2025-47914.html
  * https://www.suse.com/security/cve/CVE-2025-58181.html
  * https://www.suse.com/security/cve/CVE-2025-58190.html
  * https://www.suse.com/security/cve/CVE-2026-13201.html
  * https://www.suse.com/security/cve/CVE-2026-13622.html
  * https://www.suse.com/security/cve/CVE-2026-25680.html
  * https://www.suse.com/security/cve/CVE-2026-25681.html
  * https://www.suse.com/security/cve/CVE-2026-27136.html
  * https://www.suse.com/security/cve/CVE-2026-33814.html
  * https://www.suse.com/security/cve/CVE-2026-35469.html
  * https://www.suse.com/security/cve/CVE-2026-39821.html
  * https://www.suse.com/security/cve/CVE-2026-42502.html
  * https://www.suse.com/security/cve/CVE-2026-42506.html
  * https://www.suse.com/security/cve/CVE-2026-46600.html
  * https://www.suse.com/security/cve/CVE-2026-56852.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1251420
  * https://bugzilla.suse.com/show_bug.cgi?id=1251615
  * https://bugzilla.suse.com/show_bug.cgi?id=1253935
  * https://bugzilla.suse.com/show_bug.cgi?id=1254014
  * https://bugzilla.suse.com/show_bug.cgi?id=1262265
  * https://bugzilla.suse.com/show_bug.cgi?id=1265736
  * https://bugzilla.suse.com/show_bug.cgi?id=1266575
  * https://bugzilla.suse.com/show_bug.cgi?id=1267120
  * https://bugzilla.suse.com/show_bug.cgi?id=1269093
  * https://bugzilla.suse.com/show_bug.cgi?id=1272000
  * https://bugzilla.suse.com/show_bug.cgi?id=1272840
  * https://bugzilla.suse.com/show_bug.cgi?id=1273606

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