Fedora 44 Singularity-CE Upgrade Critical Issues 2026-63ae478575
fedora
June 18, 2026
Upgrade to 4.4.2 upstream version.
Summary
SingularityCE is the Community Edition of Singularity, an open source
container platform designed to be simple, fast, and secure.
Update Information:
Upgrade to 4.4.2 upstream version.
Change Log
* Wed Jun 10 2026 David Trudgian
References
[ 1 ] Bug #2453093 - CVE-2026-33748 singularity-ce: BuildKit: Unauthorized file access via Git URL fragment subdir components [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2453093 [ 2 ] Bug #2455674 - CVE-2026-34986 singularity-ce: Go JOSE: Denial of Service via crafted JSON Web Encryption (JWE) object [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2455674 [ 3 ] Bug #2458933 - CVE-2026-39984 singularity-ce: improper certificate validation in verifier [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2458933
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-63ae478575' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
PREVIOUS 
NEXT Name: singularity-ce
Product: Fedora 44
Version: 4.4.2
Release: 1.fc44
Summary: Application and environment virtualization
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