Security Advisory: JetBackup Offsite Archive Integrity

JetBackup offsite archives did not verify checksums after upload on interrupted transfers, leaving restore operations with silently corrupted backups.

Low 2026-02-14

JetBackup AlmaLinux 8 AlmaLinux 9 CentOS 7 CloudLinux 8 CloudLinux 9 Ubuntu 20.04 Ubuntu 22.04

Affected Versions

JetBackup 5.3.10 and earlier

Patched Version

JetBackup 5.3.12

Default Update CMD

yum update -y

Fix Commands

AlmaLinux 9 / CloudLinux 9

dnf update jetbackup
jetbackup5 --update

AlmaLinux 8 / CloudLinux 8

dnf update jetbackup
jetbackup5 --update

CentOS 7 / CloudLinux 7

yum update jetbackup
jetbackup5 --update

Ubuntu 22.04

apt update
apt upgrade jetbackup

Ubuntu 20.04

apt update
apt upgrade jetbackup

References

Vendor Advisory

Security Advisories

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