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CVE-2023-28450

Date: March 14, 2023

An issue was discovered in Dnsmasq before 2.90. The default maximum EDNS.0 UDP packet size was set to 4096 but should be 1232 because of DNS Flag Day 2020.

Language: C

Severity Score

7.5

Related Resources (15)

Url: https://nvd.nist.gov/vuln/detail/CVE-2023-28450

Url: https://access.redhat.com/security/cve/CVE-2023-28450

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OU2ZT4ITSEOOR2CFBAHK4Z67KXJIEWQA/

Url: https://security-tracker.debian.org/tracker/CVE-2023-28450

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2023-28450

Url: https://capec.mitre.org/data/definitions/495.html

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6UQ6LKDTLSSD64TBIZ3XEKBM2SWC63VV/

Url: https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=blob;f=CHANGELOG

Url: https://thekelleys.org.uk/dnsmasq/doc.html

Url: https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=eb92fb32b746f2104b0f370b5b295bb8dd4bd5e5

Url: https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=eb92fb32b746f2104b0f370b5b295bb8dd4bd5e5

Url: https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=blob%3Bf=CHANGELOG

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OU2ZT4ITSEOOR2CFBAHK4Z67KXJIEWQA/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6UQ6LKDTLSSD64TBIZ3XEKBM2SWC63VV/

Url: https://www.mend.io/vulnerability-database/CVE-2023-28450

Severity Score

7.5

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

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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