Vulnerability-Lookup

ubuntu-cve-2026-3381

Vulnerability from osv_ubuntu

Published

2026-03-05 02:16

Modified

2026-08-25 22:57

Summary

Details

Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib. Compress::Raw::Zlib includes a copy of the zlib library. Compress::Raw::Zlib version 2.220 includes zlib 1.3.2, which addresses findings fron the 7ASecurity audit of zlib. The includes fixs for CVE-2026-27171.

Severity

9.8 (Critical)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-3381	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-3381	REPORT
	https://lists.security.metacpan.org/cve-announce/…	REPORT
	https://7asecurity.com/blog/2026/02/zlib-7asecuri…	REPORT
	https://github.com/madler/zlib	REPORT
	https://github.com/madler/zlib/releases/tag/v1.3.2	REPORT
	https://metacpan.org/release/PMQS/Compress-Raw-Zl…	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-27171	REPORT
	https://www.zlib.net/	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libcompress-raw-zlib-perl",
            "binary_version": "2.069-1build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "libcompress-raw-zlib-perl",
        "purl": "pkg:deb/ubuntu/libcompress-raw-zlib-perl@2.069-1build1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.068-1",
        "2.069-1",
        "2.069-1build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libcompress-raw-zlib-perl",
            "binary_version": "2.076-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "libcompress-raw-zlib-perl",
        "purl": "pkg:deb/ubuntu/libcompress-raw-zlib-perl@2.076-1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.074-1build1",
        "2.074-1build2",
        "2.075-1",
        "2.076-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libcompress-raw-zlib-perl",
            "binary_version": "2.093-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "libcompress-raw-zlib-perl",
        "purl": "pkg:deb/ubuntu/libcompress-raw-zlib-perl@2.093-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.087-1",
        "2.087-1build1",
        "2.089-1",
        "2.090-1",
        "2.092-1",
        "2.093-1"
      ]
    }
  ],
  "aliases": [],
  "details": "Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib. Compress::Raw::Zlib includes a copy of the zlib library. Compress::Raw::Zlib version 2.220 includes zlib 1.3.2, which addresses findings fron the 7ASecurity audit of zlib. The includes fixs for CVE-2026-27171.",
  "id": "UBUNTU-CVE-2026-3381",
  "modified": "2026-08-25T22:57:55Z",
  "published": "2026-03-05T02:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-3381"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-3381"
    },
    {
      "type": "REPORT",
      "url": "https://lists.security.metacpan.org/cve-announce/msg/37638919/"
    },
    {
      "type": "REPORT",
      "url": "https://7asecurity.com/blog/2026/02/zlib-7asecurity-audit/"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/madler/zlib"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/madler/zlib/releases/tag/v1.3.2"
    },
    {
      "type": "REPORT",
      "url": "https://metacpan.org/release/PMQS/Compress-Raw-Zlib-2.221/source/Changes"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-27171"
    },
    {
      "type": "REPORT",
      "url": "https://www.zlib.net/"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-3381"
  ]
}

CVE-2026-3381 (GCVE-0-2026-3381)

Vulnerability from cvelistv5 – Published: 2026-03-05 01:28 – Updated: 2026-03-11 15:00

Title

Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib

Summary

Severity

9.8 (Critical)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-05 16:31 UTC

CWE

CWE-1395 - Dependency on Vulnerable Third-Party Component

Assigner

CPANSec redhat root

References

7 references

URL	Tags
https://metacpan.org/release/PMQS/Compress-Raw-Zl…	release-notes
https://www.zlib.net/
https://github.com/madler/zlib
https://github.com/madler/zlib/releases/tag/v1.3.2	release-notes
https://7asecurity.com/blog/2026/02/zlib-7asecuri…	technical-description
https://www.cve.org/CVERecord?id=CVE-2026-27171	vendor-advisoryrelatedvdb-entry
https://github.com/pmqs/Compress-Raw-Zlib/issues/41	issue-tracking

Impacted products

1 product

Vendor	Product	Version
PMQS	Compress::Raw::Zlib	Affected: 0 , ≤ 2.219 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-3381",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-05T16:31:41.264640Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-11T15:00:11.466Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
          "packageName": "Compress-Raw-Zlib",
          "product": "Compress::Raw::Zlib",
          "repo": "https://github.com/pmqs/Compress-Raw-Zlib",
          "vendor": "PMQS",
          "versions": [
            {
              "lessThanOrEqual": "2.219",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib.\n\nCompress::Raw::Zlib includes a copy of the zlib library. Compress::Raw::Zlib version 2.220 includes zlib 1.3.2, which addresses findings fron the 7ASecurity audit of zlib. The includes fixs for CVE-2026-27171."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1395",
              "description": "CWE-1395 Dependency on Vulnerable Third-Party Component",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-07T15:44:59.956Z",
        "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
        "shortName": "CPANSec"
      },
      "references": [
        {
          "tags": [
            "release-notes"
          ],
          "url": "https://metacpan.org/release/PMQS/Compress-Raw-Zlib-2.221/source/Changes"
        },
        {
          "url": "https://www.zlib.net/"
        },
        {
          "url": "https://github.com/madler/zlib"
        },
        {
          "tags": [
            "release-notes"
          ],
          "url": "https://github.com/madler/zlib/releases/tag/v1.3.2"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://7asecurity.com/blog/2026/02/zlib-7asecurity-audit/"
        },
        {
          "tags": [
            "vendor-advisory",
            "related",
            "vdb-entry"
          ],
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-27171"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/pmqs/Compress-Raw-Zlib/issues/41"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to Compress::Raw::Zlib 2.220 or later."
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2026-02-17T00:00:00.000Z",
          "value": "zlib 1.3.2 released."
        },
        {
          "lang": "en",
          "time": "2026-02-27T00:00:00.000Z",
          "value": "Compress::Raw::Zlib 2.220 released."
        }
      ],
      "title": "Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib",
      "x_generator": {
        "engine": "cpansec-cna-tool 0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
    "assignerShortName": "CPANSec",
    "cveId": "CVE-2026-3381",
    "datePublished": "2026-03-05T01:28:48.062Z",
    "dateReserved": "2026-02-28T09:24:49.085Z",
    "dateUpdated": "2026-03-11T15:00:11.466Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Detection rules are retrieved from Rulezet.

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.