Important: cockpit-image-builder security update
The image-builder-frontend generates custom images suitable for deploying systems or uploading to the cloud. It integrates into Cockpit as a frontend for osbuild. Security Fix(es): * fast-uri: fast-uri: Server-Side Request Forgery via repeated hostname percent-decoding (CVE-2026-75899) * fast-uri: fast-uri: Server-side request forgery via malformed IPv6 normalization (CVE-2026-75975) * fast-uri: fast-uri: URI parsing flaw enables server-side request forgery and redirects (CVE-2026-76172) * fast-uri: fast-uri: Authority Injection via Unvalidated Port Serialization (CVE-2026-84292) 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-2026:71543
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-2026:71543
cockpit-image-builder
Source reference: /affected/0/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 0:94.4-1.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": "0:94.4-1.el10_2"
}
],
"database_specific": {
"yum_repository": "AppStream"
}
}
],
"package": {
"name": "cockpit-image-builder",
"purl": "pkg:rpm/rocky-linux/cockpit-image-builder?distro=rocky-linux-10-aarch64&epoch=0",
"ecosystem": "Rocky Linux:10"
},
"database_specific": {
"source": "https://storage.googleapis.com/resf-osv-data/RLSA-2026:71543.json"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #15203 · Revision 1
- Added to Heist Feed
- Publisher date