ghsa-m793-2mj8-wj8q
Vulnerability from github
Published
2022-05-24 17:06
Modified
2022-08-05 00:00
Details

The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a denial of service (out-of-bounds read) via regular expression with a group containing both a forward referencing subroutine call and a recursive back reference, as demonstrated by "((?+1)(\1))/".

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2015-2326"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-01-14T17:15:00Z",
    "severity": "MODERATE"
  },
  "details": "The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a denial of service (out-of-bounds read) via regular expression with a group containing both a forward referencing subroutine call and a recursive back reference, as demonstrated by \"((?+1)(\\1))/\".",
  "id": "GHSA-m793-2mj8-wj8q",
  "modified": "2022-08-05T00:00:23Z",
  "published": "2022-05-24T17:06:08Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2015-2326"
    },
    {
      "type": "WEB",
      "url": "https://bugs.exim.org/show_bug.cgi?id=1592"
    },
    {
      "type": "WEB",
      "url": "https://fortiguard.com/zeroday/FG-VD-15-016"
    },
    {
      "type": "WEB",
      "url": "https://www.pcre.org/original/changelog.txt"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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