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UbuntuUSN-6034-1

HistoryApr 20, 2023 - 12:00 a.m.

Dnsmasq vulnerability

2023-04-2000:00:00

ubuntu.com

7.9 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

61.9%

JSON

Releases

Ubuntu 22.10
Ubuntu 22.04 LTS
Ubuntu 20.04 LTS
Ubuntu 18.04 ESM
Ubuntu 16.04 ESM
Ubuntu 14.04 ESM

Packages

dnsmasq - Small caching DNS proxy and DHCP/TFTP server

Details

It was discovered that Dnsmasq was sending large DNS messages
over UDP, possibly causing transmission failures due to IP
fragmentation. This update lowers the default maximum size of
DNS messages to improve transmission reliability over UDP.

OSVersionArchitecturePackageVersionFilename
Ubuntu22.10noarchdnsmasq-base< 2.86-1.1ubuntu2.1UNKNOWN
Ubuntu22.10noarchdnsmasq< 2.86-1.1ubuntu2.1UNKNOWN
Ubuntu22.10noarchdnsmasq-base-lua< 2.86-1.1ubuntu2.1UNKNOWN
Ubuntu22.10noarchdnsmasq-utils< 2.86-1.1ubuntu2.1UNKNOWN
Ubuntu22.04noarchdnsmasq-base< 2.86-1.1ubuntu0.3UNKNOWN
Ubuntu22.04noarchdnsmasq< 2.86-1.1ubuntu0.3UNKNOWN
Ubuntu22.04noarchdnsmasq-base-lua< 2.86-1.1ubuntu0.3UNKNOWN
Ubuntu22.04noarchdnsmasq-utils< 2.86-1.1ubuntu0.3UNKNOWN
Ubuntu20.04noarchdnsmasq-base< 2.80-1.1ubuntu1.7UNKNOWN
Ubuntu20.04noarchdnsmasq< 2.80-1.1ubuntu1.7UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Ubuntu	22.10	noarch	dnsmasq-base	< 2.86-1.1ubuntu2.1	UNKNOWN
Ubuntu	22.10	noarch	dnsmasq	< 2.86-1.1ubuntu2.1	UNKNOWN
Ubuntu	22.10	noarch	dnsmasq-base-lua	< 2.86-1.1ubuntu2.1	UNKNOWN
Ubuntu	22.10	noarch	dnsmasq-utils	< 2.86-1.1ubuntu2.1	UNKNOWN
Ubuntu	22.04	noarch	dnsmasq-base	< 2.86-1.1ubuntu0.3	UNKNOWN
Ubuntu	22.04	noarch	dnsmasq	< 2.86-1.1ubuntu0.3	UNKNOWN
Ubuntu	22.04	noarch	dnsmasq-base-lua	< 2.86-1.1ubuntu0.3	UNKNOWN
Ubuntu	22.04	noarch	dnsmasq-utils	< 2.86-1.1ubuntu0.3	UNKNOWN
Ubuntu	20.04	noarch	dnsmasq-base	< 2.80-1.1ubuntu1.7	UNKNOWN
Ubuntu	20.04	noarch	dnsmasq	< 2.80-1.1ubuntu1.7	UNKNOWN

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References

ubuntu.com/security/CVE-2023-28450