SUSE-SU-2026:23361-1: moderate: Security update for curl

[SLE-SECURITY-UPDATES]

# Security update for curl

Announcement ID: SUSE-SU-2026:23361-1  
Release Date: 2026-08-26T15:39:50Z  
Rating: moderate  
References:

  * bsc#1262633
  * bsc#1263440
  * bsc#1264971
  * bsc#1268412

  
Cross-References:

  * CVE-2026-5773
  * CVE-2026-7168
  * CVE-2026-8926

  
CVSS scores:

  * CVE-2026-5773 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-5773 ( SUSE ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
  * CVE-2026-5773 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2026-5773 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2026-7168 ( SUSE ):  6.0
    CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-7168 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2026-7168 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  * CVE-2026-7168 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  * CVE-2026-8926 ( SUSE ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-8926 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2026-8926 ( NVD ):  9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

  
Affected Products:

  * SUSE Linux Micro 6.0

  
  
An update that solves three vulnerabilities and has one fix can now be
installed.

## Description:

This update for curl fixes the following issues:

  * CVE-2026-5773: wrong reuse of SMB connection (bsc#1262633).
  * CVE-2026-7168: cross-proxy Digest auth state leak (bsc#1263440).
  * CVE-2026-8926: password leak with netrc and user in URL (bsc#1268412).

Changes for curl:

  * Call http_size() first to prioritize Transfer-Encoding: chunked over a zero
    Content-Length empty body check (bsc#1264971)

## 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-6.0-865=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * curl-debugsource-8.14.1-8.1
    * curl-8.14.1-8.1
    * libcurl4-debuginfo-8.14.1-8.1
    * curl-debuginfo-8.14.1-8.1
    * libcurl4-8.14.1-8.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-5773.html
  * https://www.suse.com/security/cve/CVE-2026-7168.html
  * https://www.suse.com/security/cve/CVE-2026-8926.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1262633
  * https://bugzilla.suse.com/show_bug.cgi?id=1263440
  * https://bugzilla.suse.com/show_bug.cgi?id=1264971
  * https://bugzilla.suse.com/show_bug.cgi?id=1268412

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