ubuntu-cve-2017-7186
Vulnerability from osv_ubuntu
Published
2017-03-20 00:59
Modified
2026-04-22 07:38
Summary
Details

libpcre1 in PCRE 8.40 and libpcre2 in PCRE2 10.23 allow remote attackers to cause a denial of service (segmentation violation for read access, and application crash) by triggering an invalid Unicode property lookup.

Severity
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
low
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libpcre16-3",
            "binary_version": "2:8.38-3.1ubuntu0.1~esm2"
          },
          {
            "binary_name": "libpcre3",
            "binary_version": "2:8.38-3.1ubuntu0.1~esm2"
          },
          {
            "binary_name": "libpcre32-3",
            "binary_version": "2:8.38-3.1ubuntu0.1~esm2"
          },
          {
            "binary_name": "libpcrecpp0v5",
            "binary_version": "2:8.38-3.1ubuntu0.1~esm2"
          },
          {
            "binary_name": "pcregrep",
            "binary_version": "2:8.38-3.1ubuntu0.1~esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "pcre3",
        "purl": "pkg:deb/ubuntu/pcre3@2:8.38-3.1ubuntu0.1~esm2?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:8.38-3.1ubuntu0.1~esm2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:8.35-7.1ubuntu1",
        "2:8.38-1ubuntu1",
        "2:8.38-3",
        "2:8.38-3.1",
        "2:8.38-3.1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libpcre2-16-0",
            "binary_version": "10.21-1"
          },
          {
            "binary_name": "libpcre2-32-0",
            "binary_version": "10.21-1"
          },
          {
            "binary_name": "libpcre2-8-0",
            "binary_version": "10.21-1"
          },
          {
            "binary_name": "libpcre2-posix0",
            "binary_version": "10.21-1"
          },
          {
            "binary_name": "pcre2-utils",
            "binary_version": "10.21-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "pcre2",
        "purl": "pkg:deb/ubuntu/pcre2@10.21-1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "10.20-1",
        "10.20-2",
        "10.20-3",
        "10.21-1"
      ]
    }
  ],
  "aliases": [],
  "details": "libpcre1 in PCRE 8.40 and libpcre2 in PCRE2 10.23 allow remote attackers to cause a denial of service (segmentation violation for read access, and application crash) by triggering an invalid Unicode property lookup.",
  "id": "UBUNTU-CVE-2017-7186",
  "modified": "2026-04-22T07:38:12Z",
  "published": "2017-03-20T00:59:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-7186"
    },
    {
      "type": "REPORT",
      "url": "https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5665-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2017-7186"
    }
  ],
  "related": [
    "USN-5665-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2017-7186"
  ]
}



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