ruby3.3 3.3.7-1ubuntu2: ruby3.3 3.3.7-1ubuntu2 for Ubuntu 25.04 (plucky)

ruby3.3 3.3.7-1ubuntu2, released January 16, 2026, fixes 3 CVEs in ruby3.3. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

HighUnsupported product

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.5

Base score, 0 to 10

Highest EPSS

0.0085

58th percentile

Priority of the 3 CVEs

Patch now 0
                                Urgent 0
                                High 2
                                Routine 1

Fixed package versions

Product	Release	Fixed in
ruby3.3	Ubuntu 25.04 (plucky)	3.3.7-1ubuntu2

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2025-27219	ruby2.5: Fixed denial of service in CGI::Cookie.parse (bsc#1237804)	7.5	0.0085	None reported
High	CVE-2025-27220	ruby2.5: Fixed ReDoS in CGI::Util#escapeElement (bsc#1237806)	7.5	0.0076	None reported
Routine	CVE-2025-27221	ruby2.5: Fixed userinfo leakage in URI#join, URI#merge and URI#+ (bsc#1237805)	6.5	0.0051	None reported

Also fixes CVE-2025-27219

libruby3.2 3.2.3-1ubuntu0.24.04.5
libruby3.2 on Ubuntu 24.04.5 LTS (noble)
ruby3.2 3.2.3-1ubuntu0.24.04.5
ruby3.2 on Ubuntu 24.04.5 LTS (noble)
libruby3.0 3.0.2-7ubuntu2.10
libruby3.0 on Ubuntu 22.04.1 LTS (jammy)
ruby3.0 3.0.2-7ubuntu2.10
ruby3.0 on Ubuntu 22.04.1 LTS (jammy)
libruby3.3 3.3.4-2ubuntu5.2
libruby3.3 on Ubuntu 24.10 (oracular)
ruby3.3 3.3.4-2ubuntu5.2
ruby3.3 on Ubuntu 24.10 (oracular)
RLSA-2025:4063
ruby, rubygem-abrt, rubygem-mysql2 and 1 more on rocky 8
ALSA-2025:4488
rubygem-mysql2, rubygem-mysql2-doc, rubygem-pg and 1 more on almalinux 9

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