SUSE-SU-2026:4182-1: important: Security update for perl-Protocol-HTTP2

Tue Sep 15 12:31:46 UTC 2026

# Security update for perl-Protocol-HTTP2

Announcement ID: SUSE-SU-2026:4182-1  
Release Date: 2026-09-15T06:35:22Z  
Rating: important  
References:

  * bsc#1279629

Cross-References:

  * CVE-2026-16028

CVSS scores:

  * CVE-2026-16028 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-16028 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-16028 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7
  * SUSE Package Hub 15 15-SP7

An update that solves one vulnerability can now be installed.

## Description:

This update for perl-Protocol-HTTP2 fixes the following issue:

  * CVE-2026-16028: memory exhaustion leading to denial of service due to closed
    streams never being removed by `stream_state` from the connection stream
    table (bsc#1279629).

## 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:

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2026-4182

  * SUSE Package Hub 15 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-4182

## Package List:

  * openSUSE Leap 15.6 (noarch)
    * perl-Protocol-HTTP2-1.10-150600.3.6.1
  * SUSE Package Hub 15 15-SP7 (noarch)
    * perl-Protocol-HTTP2-1.10-150600.3.6.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-16028.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1279629

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