Important: ruby4.0 security update
Ruby is the interpreted scripting language for quick and easy object-oriented programming. It has many features to process text files and to do system management tasks (as in Perl). It is simple, straight-forward, and extensible. Security Fix(es): * resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses (CVE-2026-80212) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
RLSA-2026:72427
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:RLSA-2026:72427
ruby4.0
Source reference: /affected/0/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 0:4.0.6-37.el10_2
Source reference:
/affected/0/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:4.0.6-37.el10_2"
}
],
"database_specific": {
"yum_repository": "AppStream"
}
}
],
"package": {
"name": "ruby4.0",
"purl": "pkg:rpm/rocky-linux/ruby4.0?distro=rocky-linux-10&epoch=0",
"ecosystem": "Rocky Linux:10"
},
"database_specific": {
"source": "https://storage.googleapis.com/resf-osv-data/RLSA-2026:72427.json"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #27781 · Revision 1
- Added to Heist Feed
- Publisher date