CVE-2019-7663

Source
https://nvd.nist.gov/vuln/detail/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
2019-02-09T16:29:00Z
Modified
2025-10-14T17:09:32.982114Z
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.

References

Affected packages

Git / gitlab.com/libtiff/libtiff

Affected ranges

Type
GIT
Repo
https://gitlab.com/libtiff/libtiff
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed

Affected versions

v3.*

v3.5.3
v3.5.4
v3.5.5
v3.5.7
v3.6.0
v3.6.0beta2
v3.6.1
v3.7.0
v3.7.0alpha
v3.7.0beta
v3.7.0beta2
v3.7.1
v3.7.2
v3.7.3
v3.7.4
v3.8.0
v3.8.1
v3.8.2

v4.*

v4.0.0
v4.0.0alpha
v4.0.0alpha4
v4.0.0alpha5
v4.0.0alpha6
v4.0.0beta7
v4.0.1
v4.0.10
v4.0.2
v4.0.3
v4.0.4
v4.0.4beta
v4.0.5
v4.0.6
v4.0.7
v4.0.8
v4.0.9

Database specific

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