alsa-2020:4846
Vulnerability from osv_almalinux
Published
2020-11-03 12:41
Modified
2021-08-11 08:54
Summary
Moderate: mingw-expat security update
Details

Expat is a C library for parsing XML documents. The mingw-expat packages provide a port of the Expat library for MinGW.

Security Fix(es):

  • expat: large number of colons in input makes parser consume high amount of resources, leading to DoS (CVE-2018-20843)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "mingw32-expat"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.2.4-5.el8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "mingw64-expat"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.2.4-5.el8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "Expat is a C library for parsing XML documents. The mingw-expat packages provide a port of the Expat library for MinGW. \n\nSecurity Fix(es):\n\n* expat: large number of colons in input makes parser consume high amount of resources, leading to DoS (CVE-2018-20843)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.",
  "id": "ALSA-2020:4846",
  "modified": "2021-08-11T08:54:00Z",
  "published": "2020-11-03T12:41:03Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://vulners.com/cve/CVE-2018-20843"
    }
  ],
  "related": [
    "CVE-2018-20843"
  ],
  "summary": "Moderate: mingw-expat security update"
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.