CVE-2019-13225

A NULL Pointer Dereference in match_at() in regexec.c in Oniguruma 6.9.2 allows attackers to potentially cause denial of service by providing a crafted regular expression. Oniguruma issues often affect Ruby, as well as common optional libraries for PHP and Rust.

Database specific

{
    "unresolved_ranges":  [
        {
            "cpes":  [
                "cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "29"
                },
                {
                    "last_affected":  "29"
                },
                {
                    "introduced":  "30"
                },
                {
                    "last_affected":  "30"
                }
            ],
            "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

83572e983928243d741f61ac290fc057d69fefc3

Last Affected

83572e983928243d741f61ac290fc057d69fefc3

Fixed

c509265c5f6ae7264f7b8a8aae1cfa5fc59d108c

Database specific

Show details

{
    "cpe":  "cpe:2.3:a:oniguruma_project:oniguruma:6.9.2:-:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "6.9.2-NA"
        },
        {
            "last_affected":  "6.9.2-NA"
        }
    ],
    "source":  [
        "CPE_STRING",
        "REFERENCES"
    ]
}

Affected versions

6.*

6.9.2-NA

v6.*

v6.9.2

v6.9.2_rc3

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-13225.json"

vanir_signatures

[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "85141731386316851965725583353761852847",
                "204595937784327686332058629384380229674",
                "319247688735767608892947998935321169709",
                "241674881094433395339525784506746142782",
                "254990912557451104883114518374002790439",
                "64454262332086805412704828737206622359",
                "236140884305776523355892540789865807574",
                "153336709126352052758112735148905899679",
                "31377849021423607495904267593121150756",
                "238769940960044662172765831089931524544",
                "81098403367417136783006037704082788478",
                "51827213460557364345719534556334902980",
                "191418956654247562735926728659014972090",
                "115988239015902885453971979046210904656",
                "204180771395020458451583621508510201132",
                "199645093322366396782428046900108468049",
                "153111474359541123152405185688874873236",
                "208669678462544222830419350908637931312",
                "293828640975033680040692157692155978758",
                "177700100071828633901527881869930075299",
                "74837920887297519773133792580998496808"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2019-13225-2b85bd8b",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/kkos/oniguruma/commit/c509265c5f6ae7264f7b8a8aae1cfa5fc59d108c",
        "target":  {
            "file":  "src/regcomp.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "136352198404887022080578989389975003742",
            "length":  2277
        },
        "id":  "CVE-2019-13225-a8853a59",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/kkos/oniguruma/commit/c509265c5f6ae7264f7b8a8aae1cfa5fc59d108c",
        "target":  {
            "file":  "src/regcomp.c",
            "function":  "compile_length_bag_node"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "186066642544576952066181731115535465672",
            "length":  2316
        },
        "id":  "CVE-2019-13225-e8f9d8ee",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/kkos/oniguruma/commit/c509265c5f6ae7264f7b8a8aae1cfa5fc59d108c",
        "target":  {
            "file":  "src/regcomp.c",
            "function":  "compile_bag_node"
        }
    }
]

vanir_signatures_modified

"2026-07-08T20:14:35Z"