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CVE-2022-0934

Date: August 29, 2022

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 Score

7.5

Related Resources (12)

Url: https://access.redhat.com/errata/RHSA-2022:8070

Url: https://nvd.nist.gov/vuln/detail/CVE-2022-0934

Url: https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39

Url: https://security-tracker.debian.org/tracker/CVE-2022-0934

Url: https://access.redhat.com/errata/RHSA-2022:7633

Url: https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=03345ecefeb0d82e3c3a4c28f27c3554f0611b39

Url: https://access.redhat.com/security/cve/CVE-2022-0934

Url: https://security.alpinelinux.org/vuln/CVE-2022-0934

Url: https://bugzilla.redhat.com/show_bug.cgi?id=2057075

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2022-0934

Url: https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html

Url: https://www.mend.io/vulnerability-database/CVE-2022-0934

Severity Score

7.5

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

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