CVE-2019-15237

Publication date 20 August 2019

Last updated 29 April 2026

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

Roundcube Webmail through 1.3.9 mishandles Punycode xn-- domain names, leading to homograph attacks.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
roundcube	26.04 LTS resolute	Fixed 1.5.0+dfsg.1-2
	25.10 questing	Fixed 1.5.0+dfsg.1-2
	25.04 plucky	Fixed 1.5.0+dfsg.1-2
	24.10 oracular	Fixed 1.5.0+dfsg.1-2
	24.04 LTS noble	Fixed 1.5.0+dfsg.1-2
	23.10 mantic	Fixed 1.5.0+dfsg.1-2
	23.04 lunar	Fixed 1.5.0+dfsg.1-2
	22.10 kinetic	Fixed 1.5.0+dfsg.1-2
	22.04 LTS jammy	Fixed 1.5.0+dfsg.1-2
	21.10 impish	Ignored end of life
	21.04 hirsute	Ignored end of life
	20.10 groovy	Ignored end of life
	20.04 LTS focal	Fixed 1.4.3+dfsg.1-1ubuntu0.1~esm8
	19.10 eoan	Ignored end of life
	19.04 disco	Ignored end of life
	18.04 LTS bionic	Fixed 1.3.6+dfsg.1-1ubuntu0.1~esm8
	16.04 LTS xenial	Fixed 1.2~beta+dfsg.1-0ubuntu1+esm8
	14.04 LTS trusty	Not in release

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
roundcube	Upstream: b913d2f

Severity score breakdown

Parameter	Value
Base score	7.4 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Changed
Confidentiality	None
Integrity impact	High
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N

References

Related Ubuntu Security Notices (USN)

USN-8223-1
Roundcube Webmail vulnerabilities
29 April 2026