Security update for curl

Announcement ID: SUSE-SU-2026:20668-1
Release Date: 2026-03-12T10:27:47Z
Rating: important
References:
Cross-References:
CVSS scores:
  • 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-2026-1965 ( 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 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/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-2026-3783 ( 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 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  • CVE-2026-3784 ( SUSE ): 1.0 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-2026-3784 ( 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 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  • CVE-2026-3805 ( SUSE ): 2.0 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
  • 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 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • SUSE Linux Micro 6.1

An update that solves four vulnerabilities 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 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 6.1
    zypper in -t patch SUSE-SLE-Micro-6.1-440=1

Package List:

  • SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64)
    • curl-debuginfo-8.14.1-slfo.1.1_6.1
    • curl-debugsource-8.14.1-slfo.1.1_6.1
    • libcurl4-8.14.1-slfo.1.1_6.1
    • curl-8.14.1-slfo.1.1_6.1
    • libcurl4-debuginfo-8.14.1-slfo.1.1_6.1

References: