SUSE-SU-2026:23450-1: moderate: Security update for libusb-1_0

[SLE-SECURITY-UPDATES]

# Security update for libusb-1_0

Announcement ID: SUSE-SU-2026:23450-1  
Release Date: 2026-09-03T08:09:32Z  
Rating: moderate  
References:

  * bsc#1266664
  * bsc#1266667

  
Cross-References:

  * CVE-2026-23679
  * CVE-2026-47104

  
CVSS scores:

  * CVE-2026-23679 ( SUSE ):  6.9
    CVSS:4.0/AV:L/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-2026-23679 ( SUSE ):  6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-23679 ( NVD ):  6.9
    CVSS:4.0/AV:L/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-2026-23679 ( NVD ):  6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-23679 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-47104 ( SUSE ):  5.1
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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-2026-47104 ( SUSE ):  4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-47104 ( NVD ):  5.1
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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-2026-47104 ( NVD ):  4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-47104 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Micro 6.0

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

This update for libusb-1_0 fixes the following issues:

  * CVE-2026-23679: NULL pointer dereference in `parse_interface()` allows
    attackers to crash applications by supplying a malformed USB configuration
    descriptor (bsc#1266664).
  * CVE-2026-47104: one-byte out-of-bounds read in `parse_iad_array()` allows
    attackers to trigger a denial of service via a malformed USB descriptor
    (bsc#1266667).

## 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:

  * SUSE Linux Micro 6.0  
    zypper in -t patch SUSE-SLE-Micro-6.0-877=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * libusb-1_0-0-1.0.27-2.1
    * libusb-1_0-debugsource-1.0.27-2.1
    * libusb-1_0-0-debuginfo-1.0.27-2.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-23679.html
  * https://www.suse.com/security/cve/CVE-2026-47104.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1266664
  * https://bugzilla.suse.com/show_bug.cgi?id=1266667

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.suse.com/pipermail/sle-security-updates/attachments/20260904/ee82b45b/attachment-0001.htm>