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
BELL (1)
CLSA (3)
DEBIAN (1)
MGASA (1)
openSUSE (1)
RHSA (2)
RLSA (1)
SUSE (1)
UBUNTU (1)
Related
Published
2019-11-25T17:15:11Z
Modified
2026-08-07T14:52:51Z
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 str_lower_case_match in regexec.c.

Database specific
{
    "unresolved_ranges":  [
        {
            "cpes":  [
                "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "14.04"
                },
                {
                    "last_affected":  "14.04"
                }
            ],
            "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:fedoraproject:fedora:31:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "31"
                },
                {
                    "last_affected":  "31"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "fedoraproject:fedora"
        }
    ]
}
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
Show details
{
    "cpe":  "cpe:2.3:a:oniguruma_project:oniguruma:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "last_affected":  "6.9.3"
        }
    ],
    "source":  [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

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

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19246.json"
vanir_signatures
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "62515007490554007865331787131035268207",
                "73060259964332736538643090030886107933",
                "240203263475203359359784711152491354249",
                "158627744619430761962932360405786758087"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2019-19246-ee72ec58",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/kkos/oniguruma/commit/d3e402928b6eb3327f8f7d59a9edfa622fec557b",
        "target":  {
            "file":  "src/regexec.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "301772738909245608982934055287646460906",
            "length":  390
        },
        "id":  "CVE-2019-19246-f787398e",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/kkos/oniguruma/commit/d3e402928b6eb3327f8f7d59a9edfa622fec557b",
        "target":  {
            "file":  "src/regexec.c",
            "function":  "str_lower_case_match"
        }
    }
]
vanir_signatures_modified
"2026-08-07T14:52:51Z"

Git / github.com/php/php-src

Affected ranges

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

Database specific

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