CVE-2022-4891

A vulnerability has been found in Sisimai up to 4.25.14p11 and classified as problematic. This vulnerability affects the function to_plain of the file lib/sisimai/string.rb. The manipulation leads to inefficient regular expression complexity. The exploit has been disclosed to the public and may be used. Upgrading to version 4.25.14p12 is able to address this issue. The name of the patch is 51fe2e6521c9c02b421b383943dc9e4bbbe65d4e. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-218452.

• CWE-1333

• https://gist.githubusercontent.com/gmcabrita/e5dc0332473fc2e3a7a407434c8d21c7/raw/00b12035e5e1b685469f143b94301a50306376ba/example.htmlExploit, Third Party Advisory
• https://github.com/sisimai/rb-sisimai/commit/51fe2e6521c9c02b421b383943dc9e4bbbe65d4ePatch, Third Party Advisory
• https://github.com/sisimai/rb-sisimai/pull/244Exploit, Patch, Third Party Advisory
• https://github.com/sisimai/rb-sisimai/releases/tag/v4.25.14p12Release Notes, Third Party Advisory
• https://vuldb.com/?ctiid.218452Permissions Required, Third Party Advisory
• https://vuldb.com/?id.218452Permissions Required, Third Party Advisory
• https://gist.githubusercontent.com/gmcabrita/e5dc0332473fc2e3a7a407434c8d21c7/raw/00b12035e5e1b685469f143b94301a50306376ba/example.htmlExploit, Third Party Advisory
• https://github.com/sisimai/rb-sisimai/commit/51fe2e6521c9c02b421b383943dc9e4bbbe65d4ePatch, Third Party Advisory
• https://github.com/sisimai/rb-sisimai/pull/244Exploit, Patch, Third Party Advisory
• https://github.com/sisimai/rb-sisimai/releases/tag/v4.25.14p12Release Notes, Third Party Advisory
• https://vuldb.com/?ctiid.218452Permissions Required, Third Party Advisory
• https://vuldb.com/?id.218452Permissions Required, Third Party Advisory

Published

Jan 17, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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