github - ghsa-wpmh-x6rm-9p34

GHSA-WPMH-X6RM-9P34

Vulnerability from github – Published: 2022-08-29 20:06 – Updated: 2025-11-04 00:30

Details

A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who sends a crafted packet processed by dnsmasq, potentially causing a denial of service.

Severity ?

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2022-0934"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-08-29T15:15:00Z",
    "severity": "HIGH"
  },
  "details": "A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who sends a crafted packet processed by dnsmasq, potentially causing a denial of service.",
  "id": "GHSA-wpmh-x6rm-9p34",
  "modified": "2025-11-04T00:30:32Z",
  "published": "2022-08-29T20:06:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-0934"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2022:7633"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2022:8070"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2022-0934"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2057075"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/11/msg00035.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html"
    },
    {
      "type": "WEB",
      "url": "https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39"
    },
    {
      "type": "WEB",
      "url": "https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=03345ecefeb0d82e3c3a4c28f27c3554f0611b39"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2022-0934 (GCVE-0-2022-0934)

Vulnerability from cvelistv5 – Published: 2022-08-29 14:03 – Updated: 2025-11-03 21:45

Summary

A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who sends a crafted packet processed by dnsmasq, potentially causing a denial of service.

Severity ?

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-416 - - Use After Free

Assigner

redhat

References

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=2057075	x_refsource_MISC
	https://lists.thekelleys.org.uk/pipermail/dnsmasq…	x_refsource_MISC
	https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3…	x_refsource_MISC
	https://access.redhat.com/security/cve/CVE-2022-0934	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	dnsmasq	Affected: Not-Known

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T21:45:45.666Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2057075"
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          },
          {
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            "url": "https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39"
          },
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            ],
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          },
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            "url": "https://lists.debian.org/debian-lts-announce/2024/11/msg00035.html"
          }
        ],
        "title": "CVE Program Container"
      },
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        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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                "options": [
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                  },
                  {
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                  },
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-06-10T13:19:58.915127Z",
                "version": "2.0.3"
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          "vendor": "n/a",
          "versions": [
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        },
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Sightings

Author	Source	Type	Date

Nomenclature

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.

Action not permitted

GHSA-WPMH-X6RM-9P34

CVE-2022-0934 (GCVE-0-2022-0934)

Tags

Sightings

Nomenclature