ALT-PU-2025-15517-3

Package update gem-webrick in branch sisyphus

Version1.8.2-alt1

Published2026-02-04

Max severityMEDIUM

Severity:

Closed issues (3)

MEDIUM5.9

Уязвимость функции read_headers() набора инструментов HTTP-сервера WEBrick, позволяющая нарушителю осуществлять атаки с подменой HTTP-запросов

Published: 2025-09-10Modified: 2026-03-11

CVSS 3.xMEDIUM 5.9

CVSS:3.x/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS 2.0MEDIUM 5.4

CVSS:2.0/AV:N/AC:H/Au:N/C:N/I:C/A:N

References

MEDIUM5.9

Ruby WEBrick read_header HTTP Request Smuggling Vulnerability. This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick. This issue is exploitable when the product is deployed behind an HTTP proxy that fulfills specific conditions. The specific flaw exists within the read_headers method. The issue results from the inconsistent parsing of terminators of HTTP headers. An attacker can leverage this vulnerability to smuggle arbitrary HTTP requests. Was ZDI-CAN-21876.

Published: 2025-06-25Modified: 2025-08-18

CVSS 3.xMEDIUM 5.9

CVSS:3.x/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

References

GHSA-r995-q44h-hr64

MEDIUM6.5

Ruby WEBrick read_headers method can lead to HTTP Request/Response Smuggling

Published: 2025-06-27Modified: 2025-06-30

CVSS 3.xMEDIUM 6.5

CVSS:3.x/CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N

References