GHSA-8WPF-H467-QVV5

Vulnerability from github – Published: 2022-05-24 17:07 – Updated: 2023-09-20 00:30
VLAI?
Details

A segmentation fault is present in yyparse in libyang before v1.0-r1 due to a malformed pattern statement value during lys_parse_path parsing.

Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2019-20396"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119",
      "CWE-20"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-01-22T22:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A segmentation fault is present in yyparse in libyang before v1.0-r1 due to a malformed pattern statement value during lys_parse_path parsing.",
  "id": "GHSA-8wpf-h467-qvv5",
  "modified": "2023-09-20T00:30:15Z",
  "published": "2022-05-24T17:07:08Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-20396"
    },
    {
      "type": "WEB",
      "url": "https://github.com/CESNET/libyang/issues/740"
    },
    {
      "type": "WEB",
      "url": "https://github.com/CESNET/libyang/commit/a1f17693904ed6fecc8902c747fc50a8f20e6af8"
    },
    {
      "type": "WEB",
      "url": "https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.