rlsa-2026:33576
Vulnerability from osv_rocky
Published
2026-07-01 06:01
Modified
2026-07-15 06:07
Summary
Important: ruby:3.3 security update
Details

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.

Security Fix(es):

  • ruby: net-imap: Net::IMAP: Denial of Service via crafted IMAP responses (CVE-2026-42245)

  • ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol Arguments (CVE-2026-42258)

  • net-imap: ruby: Net::IMAP: Information disclosure via man-in-the-middle attack bypassing TLS (CVE-2026-42246)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Severity
7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Credits
Rocky Enterprise Software Foundation
Red Hat
References
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Rocky Linux:9",
        "name": "rubygem-mysql2",
        "purl": "pkg:rpm/rocky-linux/rubygem-mysql2?distro=rocky-linux-9\u0026epoch=0"
      },
      "ranges": [
        {
          "database_specific": {
            "yum_repository": "AppStream"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:0.5.5-3.module+el9.7.0+40032+36e56d0d"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Rocky Linux:9",
        "name": "rubygem-pg",
        "purl": "pkg:rpm/rocky-linux/rubygem-pg?distro=rocky-linux-9\u0026epoch=0"
      },
      "ranges": [
        {
          "database_specific": {
            "yum_repository": "AppStream"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:1.5.4-2.module+el9.7.0+40188+314ad260.0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Rocky Linux:9",
        "name": "ruby",
        "purl": "pkg:rpm/rocky-linux/ruby?distro=rocky-linux-9\u0026epoch=0"
      },
      "ranges": [
        {
          "database_specific": {
            "yum_repository": "AppStream"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.3.10-7.module+el9.8.0+40230+44f6cc0c"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [
    {
      "name": "Rocky Enterprise Software Foundation"
    },
    {
      "name": "Red Hat"
    }
  ],
  "details": "Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.\n\nSecurity Fix(es):\n\n* ruby: net-imap: Net::IMAP: Denial of Service via crafted IMAP responses (CVE-2026-42245)\n\n* ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol Arguments (CVE-2026-42258)\n\n* net-imap: ruby: Net::IMAP: Information disclosure via man-in-the-middle attack bypassing TLS (CVE-2026-42246)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "id": "RLSA-2026:33576",
  "modified": "2026-07-15T06:07:07.269632Z",
  "published": "2026-07-01T06:01:39.210690Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://errata.rockylinux.org/RLSA-2026:33576"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468495"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468498"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468499"
    }
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Important: ruby:3.3 security update",
  "upstream": [
    "CVE-2026-42245",
    "CVE-2026-42246",
    "CVE-2026-42258"
  ]
}



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