FKIE_CVE-2019-19204

Vulnerability from fkie_nvd - Published: 2019-11-21 21:15 - Updated: 2026-06-17 02:26
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function fetch_interval_quantifier (formerly known as fetch_range_quantifier) in regparse.c, PFETCH is called without checking PEND. This leads to a heap-based buffer over-read.
References
cve@mitre.orghttps://github.com/ManhNDd/CVE-2019-19204Exploit, Third Party Advisory
cve@mitre.orghttps://github.com/kkos/oniguruma/issues/162Exploit, Patch, Third Party Advisory
cve@mitre.orghttps://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2Release Notes
cve@mitre.orghttps://github.com/tarantula-team/CVE-2019-19204Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2019/12/msg00002.htmlThird Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/
cve@mitre.orghttps://usn.ubuntu.com/4460-1/
af854a3a-2127-422b-91ae-364da2661108https://github.com/ManhNDd/CVE-2019-19204Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/kkos/oniguruma/issues/162Exploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2Release Notes
af854a3a-2127-422b-91ae-364da2661108https://github.com/tarantula-team/CVE-2019-19204Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/12/msg00002.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4460-1/
Impacted products
Vendor Product Version
oniguruma_project oniguruma *
oniguruma_project oniguruma 6.9.4
debian debian_linux 8.0
fedoraproject fedora 30
fedoraproject fedora 31
To clipboard 

{
  "affected": [
    {
      "affectedData": [
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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              "status": "affected",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function fetch_interval_quantifier (formerly known as fetch_range_quantifier) in regparse.c, PFETCH is called without checking PEND. This leads to a heap-based buffer over-read."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema en Oniguruma versiones 6.x anteriores a 6.9.4_rc2. En la funci\u00f3n fetch_interval_quantifier (anteriormente conocida como fetch_range_quantifier) ??en el archivo regparse.c, PFETCH es llamada  sin comprobar PEND. Esto conlleva a una lectura excesiva de b\u00fafer en la regi\u00f3n heap de la memoria."
    }
  ],
  "id": "CVE-2019-19204",
  "lastModified": "2026-06-17T02:26:17.057",
  "metrics": {
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        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
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        "exploitabilityScore": 10.0,
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        "obtainAllPrivilege": false,
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        "source": "nvd@nist.gov",
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          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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  "published": "2019-11-21T21:15:11.577",
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}



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