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UnratedFix available

Fix CVE(s): CVE-2026-57433

Type: advisorySources: OSV

* SECURITY UPDATE: signed integer overflow when deserializing a crafted Storable SX_HOOK record - debian/patches/CVE-2026-57433.patch: reject a hook data item count of I32_MAX in retrieve_hook() in dist/Storable/Storable.xs before it is incremented and passed to av_extend() - CVE-2026-57433

Products
libperl-dev, libperl5.26, perl, perl-base, perl-debug, perl-doc, perl-modules-5.26
Affected versions
Not specified
Fixed versions
5.26.1-6ubuntu0.7+tuxcare.els4
CVEs
CVE-2026-57433
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 11:42 UTC · Revision 1

Source evidence

Fix CVE(s): CVE-2026-57433

core-osv · Original source

Published 31 Aug 2026, 11:25 UTC

* SECURITY UPDATE: signed integer overflow when deserializing a crafted Storable SX_HOOK record - debian/patches/CVE-2026-57433.patch: reject a hook data item count of I32_MAX in retrieve_hook() in dist/Storable/Storable.xs before it is incremented and passed to av_extend() - CVE-2026-57433

osv:CLSA-2026-1788175535

libperl-dev

Fixed versions: 5.26.1-6ubuntu0.7+tuxcare.els4

libperl5.26

Fixed versions: 5.26.1-6ubuntu0.7+tuxcare.els4

perl

Fixed versions: 5.26.1-6ubuntu0.7+tuxcare.els4

perl-base

Fixed versions: 5.26.1-6ubuntu0.7+tuxcare.els4

perl-debug

Fixed versions: 5.26.1-6ubuntu0.7+tuxcare.els4

perl-doc

Fixed versions: 5.26.1-6ubuntu0.7+tuxcare.els4

perl-modules-5.26

Fixed versions: 5.26.1-6ubuntu0.7+tuxcare.els4

Complete source record
{
  "id": "da79740641b15ba7070dfe7ab9ee308d3ac74c7f464df7ec381838f2c1935699",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1788175535",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Fix CVE(s): CVE-2026-57433",
    "summary": "* SECURITY UPDATE: signed integer overflow when deserializing a crafted Storable SX_HOOK record - debian/patches/CVE-2026-57433.patch: reject a hook data item count of I32_MAX in retrieve_hook() in dist/Storable/Storable.xs before it is incremented and passed to av_extend() - CVE-2026-57433",
    "evidence": "osv:CLSA-2026-1788175535",
    "products": [
      {
        "name": {
          "value": "libperl-dev",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.26.1-6ubuntu0.7+tuxcare.els4",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libperl5.26",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.26.1-6ubuntu0.7+tuxcare.els4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "perl",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.26.1-6ubuntu0.7+tuxcare.els4",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "perl-base",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.26.1-6ubuntu0.7+tuxcare.els4",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "perl-debug",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.26.1-6ubuntu0.7+tuxcare.els4",
            "evidence": "/affected/4/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "perl-doc",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.26.1-6ubuntu0.7+tuxcare.els4",
            "evidence": "/affected/5/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "perl-modules-5.26",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.26.1-6ubuntu0.7+tuxcare.els4",
            "evidence": "/affected/6/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1788175535",
      "aliases": [
        "CLSA-2026-1788175535"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5.26.1-6ubuntu0.7+tuxcare.els4"
                }
              ]
            }
          ],
          "package": {
            "name": "libperl-dev",
            "purl": "pkg:deb/tuxcare/libperl-dev?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1788175535.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5.26.1-6ubuntu0.7+tuxcare.els4"
                }
              ]
            }
          ],
          "package": {
            "name": "libperl5.26",
            "purl": "pkg:deb/tuxcare/libperl5.26?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1788175535.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5.26.1-6ubuntu0.7+tuxcare.els4"
                }
              ]
            }
          ],
          "package": {
            "name": "perl",
            "purl": "pkg:deb/tuxcare/perl?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1788175535.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5.26.1-6ubuntu0.7+tuxcare.els4"
                }
              ]
            }
          ],
          "package": {
            "name": "perl-base",
            "purl": "pkg:deb/tuxcare/perl-base?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1788175535.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5.26.1-6ubuntu0.7+tuxcare.els4"
                }
              ]
            }
          ],
          "package": {
            "name": "perl-debug",
            "purl": "pkg:deb/tuxcare/perl-debug?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1788175535.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5.26.1-6ubuntu0.7+tuxcare.els4"
                }
              ]
            }
          ],
          "package": {
            "name": "perl-doc",
            "purl": "pkg:deb/tuxcare/perl-doc?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1788175535.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5.26.1-6ubuntu0.7+tuxcare.els4"
                }
              ]
            }
          ],
          "package": {
            "name": "perl-modules-5.26",
            "purl": "pkg:deb/tuxcare/perl-modules-5.26?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1788175535.json"
          }
        }
      ],
      "modified": "2026-10-26T09:32:03.922998172Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-57433"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1788175535.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-57433"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-57433",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 449564,
  "published_at": "2026-08-31T11:25:47+00:00"
}