CVE-2019-19246

Source
https://cve.org/CVERecord?id=CVE-2019-19246
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19246.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2019-19246
Downstream
Related
Published
2019-11-25T17:15:11.887Z
Modified
2026-07-08T16:07:58.483462Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Oniguruma through 6.9.3, as used in PHP 7.3.x and other products, has a heap-based buffer over-read in strlowercase_match in regexec.c.

Database specific
{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "14.04"
                },
                {
                    "last_affected": "14.04"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "canonical:ubuntu_linux",
            "cpes": [
                "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*"
            ]
        },
        {
            "extracted_events": [
                {
                    "introduced": "8.0"
                },
                {
                    "last_affected": "8.0"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "debian:debian_linux",
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
            ]
        },
        {
            "extracted_events": [
                {
                    "introduced": "31"
                },
                {
                    "last_affected": "31"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "fedoraproject:fedora",
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*"
            ]
        }
    ]
}
References

Affected packages

Git / github.com/kkos/oniguruma

Affected ranges

Type
GIT
Repo
https://github.com/kkos/oniguruma
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Fixed
Database specific
{
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ],
    "cpe": "cpe:2.3:a:oniguruma_project:oniguruma:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "6.9.3"
        }
    ]
}

Affected versions

v5.*
v5.9.6
v6.*
v6.0.0
v6.1.0
v6.1.1
v6.1.2
v6.1.3
v6.2.0
v6.3.0
v6.4.0
v6.5.0
v6.6.0
v6.6.1
v6.7.0
v6.7.1
v6.8.0
v6.8.1
v6.8.2
v6.9.0
v6.9.1
v6.9.2
v6.9.2_rc1
v6.9.2_rc2
v6.9.2_rc3
v6.9.3

Database specific

vanir_signatures_modified
"2026-07-08T16:07:58Z"
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19246.json"
vanir_signatures
[
    {
        "id": "CVE-2019-19246-ee72ec58",
        "digest": {
            "line_hashes": [
                "62515007490554007865331787131035268207",
                "73060259964332736538643090030886107933",
                "240203263475203359359784711152491354249",
                "158627744619430761962932360405786758087"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "signature_type": "Line",
        "source": "https://github.com/kkos/oniguruma/commit/d3e402928b6eb3327f8f7d59a9edfa622fec557b",
        "deprecated": false,
        "target": {
            "file": "src/regexec.c"
        }
    },
    {
        "id": "CVE-2019-19246-f787398e",
        "digest": {
            "function_hash": "301772738909245608982934055287646460906",
            "length": 390.0
        },
        "signature_version": "v1",
        "signature_type": "Function",
        "source": "https://github.com/kkos/oniguruma/commit/d3e402928b6eb3327f8f7d59a9edfa622fec557b",
        "deprecated": false,
        "target": {
            "function": "str_lower_case_match",
            "file": "src/regexec.c"
        }
    }
]

Git / github.com/php/php-src

Affected ranges

Type
GIT
Repo
https://github.com/php/php-src
Events
Database specific
{
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "7.3.0"
        },
        {
            "fixed": "7.3.10"
        }
    ]
}

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19246.json"