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
DEBIAN (1)
JLSEC (1)
MGASA (1)
openSUSE (2)
SUSE (2)
UBUNTU (1)
Related
openSUSE (2)
SUSE (2)
Published
2019-02-09T16:29:00Z
Modified
2026-07-08T16:08:30Z
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"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "canonical:ubuntu_linux"
        },
        {
            "cpes":  [
                "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "8.0"
                },
                {
                    "last_affected":  "8.0"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "debian:debian_linux"
        },
        {
            "cpes":  [
                "cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "15.0"
                },
                {
                    "last_affected":  "15.0"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "opensuse:leap"
        }
    ]
}
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
Show details 
{
    "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

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-7663.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "186767229891473563274791702224467613217",
                "19481069840066620359853707821813487969",
                "52036967966178718200882280771518880600",
                "205253912760579363233619821217339056782",
                "65357827389285656138329724700151139238",
                "316004082998730054425576374731708826911",
                "291094780492294955417275808369610628831",
                "88395608207003517829085251503399108020",
                "241257191188706293250932588388811400347"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2019-7663-286a357a",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://gitlab.com/libtiff/libtiff@802d3cbf3043be5dce5317e140ccb1c17a6a2d39",
        "target":  {
            "file":  "libtiff/tif_dirwrite.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "83226123827981840915355884833144387677",
            "length":  1388
        },
        "id":  "CVE-2019-7663-d9d4ebe4",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://gitlab.com/libtiff/libtiff@802d3cbf3043be5dce5317e140ccb1c17a6a2d39",
        "target":  {
            "file":  "libtiff/tif_dirwrite.c",
            "function":  "TIFFWriteDirectoryTagTransferfunction"
        }
    }
]
vanir_signatures_modified 
"2026-07-08T16:08:30Z"