openSUSE-SU-2026:21302-1: moderate: Security update for nghttp2

openSUSE security update: security update for nghttp2
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Announcement ID: openSUSE-SU-2026:21302-1
Rating: moderate
References:

  * bsc#1269489



Cross-References:

  * CVE-2026-58055



CVSS scores:

  * CVE-2026-58055 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
  * CVE-2026-58055 ( SUSE ): 6.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:L/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

Affected Products:

         openSUSE Leap 16.0

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An update that solves one vulnerability and has one bug fix can now be installed.

Description:

This update for nghttp2 fixes the following issue

- CVE-2026-58055: HTTP request/response smuggling via upgrade request with `Content-Length` (bsc#1269489).


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-16.0-1213=1

Package List:

- openSUSE Leap 16.0:

  libnghttp2-14-1.64.0-160000.4.1
  libnghttp2-devel-1.64.0-160000.4.1
  nghttp2-1.64.0-160000.4.1

References:

  * https://www.suse.com/security/cve/CVE-2026-58055.html