Vulnerability-Lookup

CVE-2026-14454 (GCVE-0-2026-14454)

Vulnerability from cvelistv5 – Published: 2026-07-08 12:30 – Updated: 2026-07-09 14:41

Title

Imager versions before 1.033 for Perl treat unsigned EXIF IFD entry counts as signed

Summary

Imager versions before 1.033 for Perl treat unsigned EXIF IFD entry counts as signed. Imager mishandled large EXIF IFD entry count values, treating them as negative numbers. This could lead to an attempt to allocate a block nearly the size of the address space, which fails and kills the process. An attacker could craft an image with EXIF data that terminates a worker process.

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 2026-07-09 13:50 UTC

CWE

CWE-196 - Unsigned to Signed Conversion Error
CWE-789 - Memory Allocation with Excessive Size Value

Assigner

CPANSec CNA under the redhat root

CNA scorecard C 64/100 over 273 records in the last 180 days details

References

3 references

URL	Tags
https://metacpan.org/release/TONYC/Imager-1.033/changes	release-notes
https://github.com/tonycoz/imager/commit/06f01a5d…	patch
http://www.openwall.com/lists/oss-security/2026/07/08/6

Impacted products

1 product

Vendor	Product	Version	CPE status
TONYC	Imager	Affected: 0 , < 1.033 (custom)	guessed

Show details on NVD website

JSON

To clipboard

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      "source": {
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}

FKIE_CVE-2026-14454

Vulnerability from fkie_nvd - Published: 2026-07-08 13:16 - Updated: 2026-07-10 15:31

Severity

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

Summary

References

URL	Tags
9b29abf9-4ab0-4765-b253-1875cd9b441e	https://github.com/tonycoz/imager/commit/06f01a5d0fd591259aeba589370d6888384a6b6d.patch	Patch
9b29abf9-4ab0-4765-b253-1875cd9b441e	https://metacpan.org/release/TONYC/Imager-1.033/changes	Release Notes
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2026/07/08/6	Mailing List, Patch, Third Party Advisory

Impacted products

	Vendor	Product	Version
	tonycoz	imager	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
          "packageName": "Imager",
          "product": "Imager",
          "programFiles": [
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          ],
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            {
              "name": "tiff_load_ifd"
            }
          ],
          "repo": "https://github.com/tonycoz/imager",
          "vendor": "TONYC",
          "versions": [
            {
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  ],
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    }
  ],
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  "lastModified": "2026-07-10T15:31:22.880",
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  "vulnStatus": "Analyzed",
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}

GHSA-J48M-64VJ-6RM9

Vulnerability from github – Published: 2026-07-08 15:31 – Updated: 2026-07-09 18:31

Details

Imager versions before 1.033 for Perl treat unsigned EXIF IFD entry counts as signed.

Imager mishandled large EXIF IFD entry count values, treating them as negative numbers. This could lead to an attempt to allocate a block nearly the size of the address space, which fails and kills the process.

An attacker could craft an image with EXIF data that terminates a worker process.

Severity

9.8 (Critical)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-14454"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-196"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-08T13:16:30Z",
    "severity": "CRITICAL"
  },
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  "id": "GHSA-j48m-64vj-6rm9",
  "modified": "2026-07-09T18:31:34Z",
  "published": "2026-07-08T15:31:59Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-14454"
    },
    {
      "type": "WEB",
      "url": "https://github.com/tonycoz/imager/commit/06f01a5d0fd591259aeba589370d6888384a6b6d.patch"
    },
    {
      "type": "WEB",
      "url": "https://metacpan.org/release/TONYC/Imager-1.033/changes"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/07/08/6"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

UBUNTU-CVE-2026-14454 (CVE-2026-14454)

Vulnerability from osv_ubuntu – Published: 2026-07-08 13:16 – Updated: 2026-07-15 17:48 – Source website

Details

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-2026-14454	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-14454	REPORT
	https://lists.security.metacpan.org/cve-announce/…	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libimager-perl",
            "binary_version": "1.004+dfsg-1build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "libimager-perl",
        "purl": "pkg:deb/ubuntu/libimager-perl@1.004+dfsg-1build1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.003+dfsg-1",
        "1.004+dfsg-1",
        "1.004+dfsg-1build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libimager-perl",
            "binary_version": "1.006+dfsg-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "libimager-perl",
        "purl": "pkg:deb/ubuntu/libimager-perl@1.006+dfsg-1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.005+dfsg-2build1",
        "1.006+dfsg-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libimager-perl",
            "binary_version": "1.011+dfsg-1build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "libimager-perl",
        "purl": "pkg:deb/ubuntu/libimager-perl@1.011+dfsg-1build1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.011+dfsg-1",
        "1.011+dfsg-1build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libimager-perl",
            "binary_version": "1.012+dfsg-2build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "libimager-perl",
        "purl": "pkg:deb/ubuntu/libimager-perl@1.012+dfsg-2build1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.012+dfsg-1build1",
        "1.012+dfsg-2",
        "1.012+dfsg-2build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libimager-perl",
            "binary_version": "1.023+dfsg-1build2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "libimager-perl",
        "purl": "pkg:deb/ubuntu/libimager-perl@1.023+dfsg-1build2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.019+dfsg-2",
        "1.020+dfsg-1",
        "1.022+dfsg-1",
        "1.023+dfsg-1",
        "1.023+dfsg-1build1",
        "1.023+dfsg-1build2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libimager-perl",
            "binary_version": "1.027+dfsg-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "libimager-perl",
        "purl": "pkg:deb/ubuntu/libimager-perl@1.027+dfsg-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.027+dfsg-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libimager-perl",
            "binary_version": "1.029+dfsg-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "libimager-perl",
        "purl": "pkg:deb/ubuntu/libimager-perl@1.029+dfsg-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.027+dfsg-1",
        "1.029+dfsg-1"
      ]
    }
  ],
  "aliases": [],
  "details": "Imager versions before 1.033 for Perl treat unsigned EXIF IFD entry counts as signed. Imager mishandled large EXIF IFD entry count values, treating them as negative numbers.  This could lead to an attempt to allocate a block nearly the size of the address space, which fails and kills the process. An attacker could craft an image with EXIF data that terminates a worker process.",
  "id": "UBUNTU-CVE-2026-14454",
  "modified": "2026-07-15T17:48:13Z",
  "published": "2026-07-08T13:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-14454"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-14454"
    },
    {
      "type": "REPORT",
      "url": "https://lists.security.metacpan.org/cve-announce/msg/41637674/"
    }
  ],
  "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-2026-14454"
  ]
}

Sightings

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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.

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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.
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Action not permitted

CVE-2026-14454 (GCVE-0-2026-14454)

FKIE_CVE-2026-14454

GHSA-J48M-64VJ-6RM9

UBUNTU-CVE-2026-14454 (CVE-2026-14454)

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