SUSE alert openSUSE-SU-2026:20404-1 (curl)

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null@suse.de
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security-announce@lists.opensuse.org
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openSUSE-SU-2026:20404-1: important: Security update for curl
Date:
             
 
Sat, 28 Mar 2026 17:51:54 +0100
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<20260328165154.9949FFD57@maintenance.suse.de>
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Article
openSUSE security update: security update for curl
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:20404-1
Rating: important
References:

  * bsc#1259362
  * bsc#1259363
  * bsc#1259364
  * bsc#1259365



Cross-References:

  * CVE-2026-1965
  * CVE-2026-3783
  * CVE-2026-3784
  * CVE-2026-3805



CVSS scores:

  * CVE-2026-1965 ( SUSE ): 7.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
  * CVE-2026-1965 ( SUSE ): 6.9 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
  * CVE-2026-3783 ( SUSE ): 4.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
  * CVE-2026-3783 ( SUSE ): 5.6 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-3784 ( SUSE ): 4.6 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
  * CVE-2026-3784 ( SUSE ): 1 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
  * CVE-2026-3805 ( SUSE ): 2.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
  * CVE-2026-3805 ( SUSE ): 2 CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Affected Products:

         openSUSE Leap 16.0

-------------------------------------------------------------

An update that solves 4 vulnerabilities and has 4 bug fixes can now be installed.

Description:

This update for curl fixes the following issues:

- CVE-2026-1965: bad reuse of HTTP Negotiate connection (bsc#1259362).
- CVE-2026-3783: token leak with redirect and netrc (bsc#1259363).
- CVE-2026-3784: wrong proxy connection reuse with credentials (bsc#1259364).
- CVE-2026-3805: use after free in SMB connection reuse (bsc#1259365).


Patch instructions:

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

- openSUSE Leap 16.0

   zypper in -t patch openSUSE-Leap-16.0-418=1

Package List:

- openSUSE Leap 16.0:

  curl-8.14.1-160000.5.1
  curl-fish-completion-8.14.1-160000.5.1
  curl-zsh-completion-8.14.1-160000.5.1
  libcurl-devel-8.14.1-160000.5.1
  libcurl-devel-doc-8.14.1-160000.5.1
  libcurl4-8.14.1-160000.5.1

References:

  * https://www.suse.com/security/cve/CVE-2026-1965.html
  * https://www.suse.com/security/cve/CVE-2026-3783.html
  * https://www.suse.com/security/cve/CVE-2026-3784.html
  * https://www.suse.com/security/cve/CVE-2026-3805.html