Resource Exhaustion Affecting rmt-server-config package, versions <2.27-150700.3.20.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.38% (30th percentile)

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  • Snyk IDSNYK-SLES157-RMTSERVERCONFIG-16538767
  • published8 May 2026
  • disclosed7 May 2026

Introduced: 7 May 2026

CVE-2026-34826  (opens in a new tab)
CWE-400  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade SLES:15.7 rmt-server-config to version 2.27-150700.3.20.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rmt-server-config package and not the rmt-server-config package as distributed by SLES. See How to fix? for SLES:15.7 relevant fixed versions and status.

Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Utils.get_byte_ranges parses the HTTP Range header without limiting the number of individual byte ranges. Although the existing fix for CVE-2024-26141 rejects ranges whose total byte coverage exceeds the file size, it does not restrict the count of ranges. An attacker can supply many small overlapping ranges such as 0-0,0-0,0-0,... to trigger disproportionate CPU, memory, I/O, and bandwidth consumption per request. This results in a denial of service condition in Rack file-serving paths that process multipart byte range responses. This issue has been patched in versions 2.2.23, 3.1.21, and 3.2.6.

CVSS Base Scores

version 3.1