Vulnerability-Lookup

CVE-2026-47373 (GCVE-0-2026-47373)

Vulnerability from cvelistv5 – Published: 2026-05-20 20:25 – Updated: 2026-05-21 14:10

Title

Crypt::SaltedHash versions through 0.09 for Perl is susceptible to timing attacks

Summary

Crypt::SaltedHash versions through 0.09 for Perl is susceptible to timing attacks. These versions use Perl's built-in eq comparison. Discrepencies in timing could be used to guess the underlying hash.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-21 14:10 UTC

CWE

CWE-208 - Observable Timing Discrepancy

Assigner

CPANSec redhat root

References

3 references

URL	Tags
https://metacpan.org/release/RRWO/Crypt-SaltedHas…	release-notes
https://github.com/robrwo/perl-Crypt-SaltedHash/c…	patch
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version	CPE status
RRWO	Crypt::SaltedHash	Affected: 0 , ≤ 0.09 (custom)	guessed

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-47373

Vulnerability from fkie_nvd - Published: 2026-05-20 21:16 - Updated: 2026-07-23 15:10

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Summary

References

	URL	Tags
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://github.com/robrwo/perl-Crypt-SaltedHash/commit/c07bfc5c23185b0667233d0f2e1252d81f1f027a.patch
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://metacpan.org/release/RRWO/Crypt-SaltedHash-0.10/changes
	af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2026/05/20/21

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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    {
      "affectedData": [
        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
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GHSA-MJC4-QQXC-7H36

Vulnerability from github – Published: 2026-05-20 21:31 – Updated: 2026-05-21 15:34

Details

Crypt::SaltedHash versions through 0.09 for Perl is susceptible to timing attacks.

These versions use Perl's built-in eq comparison. Discrepencies in timing could be used to guess the underlying hash.

Severity

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-47373"
  ],
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    "cwe_ids": [
      "CWE-208"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-20T21:16:17Z",
    "severity": "HIGH"
  },
  "details": "Crypt::SaltedHash versions through 0.09 for Perl is susceptible to timing attacks.\n\nThese versions use Perl\u0027s built-in eq comparison. Discrepencies in timing could be used to guess the underlying hash.",
  "id": "GHSA-mjc4-qqxc-7h36",
  "modified": "2026-05-21T15:34:06Z",
  "published": "2026-05-20T21:31:33Z",
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    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-47373"
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  ],
  "schema_version": "1.4.0",
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    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

OPENSUSE-SU-2026:10836-1

Vulnerability from csaf_opensuse - Published: 2026-05-21 00:00 - Updated: 2026-09-17 17:06

Summary

perl-Crypt-SaltedHash-0.110.0-1.1 on GA media

Severity

Moderate

Scope

2 vulnerabilities in this advisory, including CVE-2026-47373.

CVE-2026-47373

Recommended: 4 products

Open the full advisory

OPENSUSE-SU-2026:20986-1

Vulnerability from csaf_opensuse - Published: 2026-06-15 13:52 - Updated: 2026-09-17 17:35

Summary

Security update for perl-Crypt-SaltedHash

Severity

Critical

Scope

2 vulnerabilities in this advisory, including CVE-2026-47373.

CVE-2026-47373

Recommended: 2 products

Open the full advisory

UBUNTU-CVE-2026-47373 (CVE-2026-47373)

Vulnerability from osv_ubuntu – Published: 2026-05-20 21:16 – Updated: 2026-06-11 04:43 – Source website

Details

Severity

7.5 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-47373	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-47373	REPORT
	https://lists.security.metacpan.org/cve-announce/…	REPORT
	https://github.com/robrwo/perl-Crypt-SaltedHash/c…	REPORT
	https://metacpan.org/release/RRWO/Crypt-SaltedHas…	REPORT
	http://www.openwall.com/lists/oss-security/2026/0…	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libcrypt-saltedhash-perl",
            "binary_version": "0.09-1ubuntu0.16.04.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "libcrypt-saltedhash-perl",
        "purl": "pkg:deb/ubuntu/libcrypt-saltedhash-perl@0.09-1ubuntu0.16.04.1~esm1?arch=source\u0026distro=esm-apps-legacy/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.09-1",
        "0.09-1ubuntu0.16.04.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libcrypt-saltedhash-perl",
            "binary_version": "0.09-1ubuntu0.18.04.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "libcrypt-saltedhash-perl",
        "purl": "pkg:deb/ubuntu/libcrypt-saltedhash-perl@0.09-1ubuntu0.18.04.1~esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.09-1",
        "0.09-1ubuntu0.18.04.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libcrypt-saltedhash-perl",
            "binary_version": "0.09-1ubuntu0.20.04.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "libcrypt-saltedhash-perl",
        "purl": "pkg:deb/ubuntu/libcrypt-saltedhash-perl@0.09-1ubuntu0.20.04.1~esm1?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.09-1",
        "0.09-1ubuntu0.20.04.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libcrypt-saltedhash-perl",
            "binary_version": "0.09-1.1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:22.04:LTS",
        "name": "libcrypt-saltedhash-perl",
        "purl": "pkg:deb/ubuntu/libcrypt-saltedhash-perl@0.09-1.1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.09-1.1",
        "0.09-1.1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libcrypt-saltedhash-perl",
            "binary_version": "0.09-3ubuntu0.24.04.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:24.04:LTS",
        "name": "libcrypt-saltedhash-perl",
        "purl": "pkg:deb/ubuntu/libcrypt-saltedhash-perl@0.09-3ubuntu0.24.04.1~esm1?arch=source\u0026distro=esm-apps/noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.09-3",
        "0.09-3ubuntu0.24.04.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libcrypt-saltedhash-perl",
            "binary_version": "0.09-3ubuntu0.25.10.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "libcrypt-saltedhash-perl",
        "purl": "pkg:deb/ubuntu/libcrypt-saltedhash-perl@0.09-3ubuntu0.25.10.1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.09-3",
        "0.09-3ubuntu0.25.10.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libcrypt-saltedhash-perl",
            "binary_version": "0.09-3ubuntu0.26.04.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:26.04:LTS",
        "name": "libcrypt-saltedhash-perl",
        "purl": "pkg:deb/ubuntu/libcrypt-saltedhash-perl@0.09-3ubuntu0.26.04.1~esm1?arch=source\u0026distro=esm-apps/resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.09-3",
        "0.09-3ubuntu0.26.04.1~esm1"
      ]
    }
  ],
  "aliases": [],
  "details": "Crypt::SaltedHash versions through 0.09 for Perl is susceptible to timing attacks. These versions use Perl\u0027s built-in eq comparison. Discrepencies in timing could be used to guess the underlying hash.",
  "id": "UBUNTU-CVE-2026-47373",
  "modified": "2026-06-11T04:43:02Z",
  "published": "2026-05-20T21:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-47373"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-47373"
    },
    {
      "type": "REPORT",
      "url": "https://lists.security.metacpan.org/cve-announce/msg/40249915/"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/robrwo/perl-Crypt-SaltedHash/commit/c07bfc5c23185b0667233d0f2e1252d81f1f027a.patch"
    },
    {
      "type": "REPORT",
      "url": "https://metacpan.org/release/RRWO/Crypt-SaltedHash-0.10/changes"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2026/05/20/21"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-47373"
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-47373 (GCVE-0-2026-47373)

FKIE_CVE-2026-47373

GHSA-MJC4-QQXC-7H36

OPENSUSE-SU-2026:10836-1

OPENSUSE-SU-2026:20986-1

UBUNTU-CVE-2026-47373 (CVE-2026-47373)

Tags

Sightings

Nomenclature

Related by attack behaviour