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exiftags — security advisory

Type: advisorySources: OSVAdvisory ID: UBUNTU-CVE-2023-50671

In exiftags 1.01, nikon_prop1 in nikon.c has a heap-based buffer overflow (write of size 28) because snprintf can write to an unexpected address.

Products
exiftags
Affected versions
1.01-6, 1.01-6build1, 1.01-7, 1.01-8, 1.01-8build1
Fixed versions
Not specified
CVEs
CVE-2023-50671
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 01:44 UTC · Revision 1

Source evidence

UBUNTU-CVE-2023-50671

core-osv · Original source

Published 11 Jan 2024, 17:15 UTC

In exiftags 1.01, nikon_prop1 in nikon.c has a heap-based buffer overflow (write of size 28) because snprintf can write to an unexpected address.

osv:UBUNTU-CVE-2023-50671

exiftags

Fixed versions: Not specified

exiftags

Fixed versions: Not specified

exiftags

Fixed versions: Not specified

exiftags

Fixed versions: Not specified

exiftags

Fixed versions: Not specified

exiftags

Fixed versions: Not specified

exiftags

Fixed versions: Not specified

exiftags

Fixed versions: Not specified

Complete source record
{
  "id": "e14fd5fd3afb861511be0c2e7395d951c9dd62a44b504adc2e1e6a7581ffc43c",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2023-50671",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2023-50671",
    "summary": "In exiftags 1.01, nikon_prop1 in nikon.c has a heap-based buffer overflow (write of size 28) because snprintf can write to an unexpected address.",
    "evidence": "osv:UBUNTU-CVE-2023-50671",
    "products": [
      {
        "name": {
          "value": "exiftags",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.01-6",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
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          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
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        "affected_versions": [
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            "value": "1.01-6",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "1.01-6build1",
            "evidence": "/affected/1/versions"
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        ]
      },
      {
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          "evidence": "/affected/2/package/name"
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      {
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        },
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      },
      {
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        },
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            "evidence": "/affected/7/versions"
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    ],
    "severity": "high",
    "structured": {
      "id": "UBUNTU-CVE-2023-50671",
      "aliases": [
        "UBUNTU-CVE-2023-50671"
      ],
      "metrics": [
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          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        },
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        },
        {
          "type": "Ubuntu",
          "score": "medium"
        }
      ],
      "affected": [
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              "type": "ECOSYSTEM",
              "events": [
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          },
          "versions": [
            "1.01-6"
          ],
          "database_specific": {
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          },
          "ecosystem_specific": {
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          },
          "versions": [
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            "1.01-6build1"
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          "database_specific": {
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          },
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          "database_specific": {
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          },
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          },
          "ecosystem_specific": {
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              {
                "binary_name": "exiftags",
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            "purl": "pkg:deb/ubuntu/exiftags?arch=source&distro=questing",
            "ecosystem": "Ubuntu:25.10"
          },
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            "1.01-7",
            "1.01-8"
          ],
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          },
          "ecosystem_specific": {
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              {
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                "binary_version": "1.01-8"
              }
            ]
          }
        },
        {
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            {
              "type": "ECOSYSTEM",
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          ],
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          },
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            ]
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          },
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              {
                "binary_name": "exiftags",
                "binary_version": "1.01-8build1"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-17T12:57:21.961679042Z",
      "provider": "osv",
      "upstream": [
        "CVE-2023-50671"
      ],
      "references": [
        "https://ubuntu.com/security/CVE-2023-50671",
        "https://blog.yulun.ac.cn/posts/2023/fuzzing-exiftags/",
        "https://johnst.org/sw/exiftags/",
        "https://www.cve.org/CVERecord?id=CVE-2023-50671"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2023-50671",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 357338,
  "published_at": "2024-01-11T17:15:00+00:00"
}