ghsa-q52c-c9hv-jc77
Vulnerability from github
Published
2022-05-13 01:25
Modified
2025-04-20 03:45
Severity ?
7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details

Heap-based buffer overflow in the S_regatom function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to cause a denial of service (out-of-bounds write) via a regular expression with a '\N{}' escape and the case-insensitive modifier.

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{
  "affected": [],
  "aliases": [
    "CVE-2017-12837"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-09-19T18:29:00Z",
    "severity": "HIGH"
  },
  "details": "Heap-based buffer overflow in the S_regatom function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to cause a denial of service (out-of-bounds write) via a regular expression with a \u0027\\N{}\u0027 escape and the case-insensitive modifier.",
  "id": "GHSA-q52c-c9hv-jc77",
  "modified": "2025-04-20T03:45:31Z",
  "published": "2022-05-13T01:25:18Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-12837"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1492091"
    },
    {
      "type": "WEB",
      "url": "https://perl5.git.perl.org/perl.git/commitdiff/96c83ed78aeea1a0496dd2b2d935869a822dc8a5"
    },
    {
      "type": "WEB",
      "url": "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1"
    },
    {
      "type": "WEB",
      "url": "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1"
    },
    {
      "type": "WEB",
      "url": "https://rt.perl.org/Public/Bug/Display.html?id=131582"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20180426-0001"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpujul2020.html"
    },
    {
      "type": "WEB",
      "url": "http://www.debian.org/security/2017/dsa-3982"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/100860"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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