CVE-2019-7663

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Source
https://cve.org/CVERecord?id=CVE-2019-7663
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-7663.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2019-7663
Downstream
Related
Published
2019-02-09T16:29:00.313Z
Modified
2026-07-08T16:08:30.385080Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in libtiff/tif_dirwrite.c in LibTIFF 4.0.10, affecting the cpSeparateBufToContigBuf function in tiffcp.c. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted tiff file. This is different from CVE-2018-12900.

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "12.04"
                },
                {
                    "last_affected": "12.04"
                },
                {
                    "introduced": "14.04"
                },
                {
                    "last_affected": "14.04"
                },
                {
                    "introduced": "16.04"
                },
                {
                    "last_affected": "16.04"
                },
                {
                    "introduced": "18.04"
                },
                {
                    "last_affected": "18.04"
                },
                {
                    "introduced": "18.10"
                },
                {
                    "last_affected": "18.10"
                }
            ],
            "vendor_product": "canonical:ubuntu_linux",
            "source": "CPE_STRING"
        },
        {
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "8.0"
                },
                {
                    "last_affected": "8.0"
                }
            ],
            "vendor_product": "debian:debian_linux",
            "source": "CPE_STRING"
        },
        {
            "cpes": [
                "cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "15.0"
                },
                {
                    "last_affected": "15.0"
                }
            ],
            "vendor_product": "opensuse:leap",
            "source": "CPE_STRING"
        }
    ]
}
References

Affected packages

Git / gitlab.com/libtiff/libtiff

Affected ranges

Type
GIT
Repo
https://gitlab.com/libtiff/libtiff
Events
Introduced
b8eac98dd0849c3f888518ce5cecc020f8b2991c
Last affected
b8eac98dd0849c3f888518ce5cecc020f8b2991c
Fixed
802d3cbf3043be5dce5317e140ccb1c17a6a2d39
Database specific 
{
    "cpe": "cpe:2.3:a:libtiff:libtiff:4.0.10:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "4.0.10"
        },
        {
            "last_affected": "4.0.10"
        }
    ],
    "source": [
        "CPE_STRING",
        "REFERENCES"
    ]
}

Affected versions

4.*
4.0.10
v4.*
v4.0.10

Database specific

vanir_signatures 
[
    {
        "target": {
            "file": "libtiff/tif_dirwrite.c"
        },
        "deprecated": false,
        "signature_version": "v1",
        "signature_type": "Line",
        "digest": {
            "line_hashes": [
                "186767229891473563274791702224467613217",
                "19481069840066620359853707821813487969",
                "52036967966178718200882280771518880600",
                "205253912760579363233619821217339056782",
                "65357827389285656138329724700151139238",
                "316004082998730054425576374731708826911",
                "291094780492294955417275808369610628831",
                "88395608207003517829085251503399108020",
                "241257191188706293250932588388811400347"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2019-7663-286a357a",
        "source": "https://gitlab.com/libtiff/libtiff@802d3cbf3043be5dce5317e140ccb1c17a6a2d39"
    },
    {
        "target": {
            "function": "TIFFWriteDirectoryTagTransferfunction",
            "file": "libtiff/tif_dirwrite.c"
        },
        "deprecated": false,
        "signature_version": "v1",
        "signature_type": "Function",
        "digest": {
            "function_hash": "83226123827981840915355884833144387677",
            "length": 1388.0
        },
        "id": "CVE-2019-7663-d9d4ebe4",
        "source": "https://gitlab.com/libtiff/libtiff@802d3cbf3043be5dce5317e140ccb1c17a6a2d39"
    }
]
vanir_signatures_modified 
"2026-07-08T16:08:30Z"
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-7663.json"