CVE-2022-45866: qpress before PierreLvx/qpress 20220819 and before version 11.3, as used in Percona XtraBackup and other produ

Q: How do I fix CVE-2022-45866?

qpress: upgrade to 11.3; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2022-45866 being exploited?

CVE-2022-45866 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-45866 affect?

CVE-2022-45866 affects qpress, fedora. Severity is medium (CVSS 5.3). qpress before PierreLvx/qpress 20220819 and before version 11.3, as used in Percona XtraBackup and other products, allows directory traversal via ../ in a .qp file.

Q: How urgent is CVE-2022-45866?

Priority 46/100. Public exploit reference; Remotely exploitable, no login, no user action

This week

MEDIUM 5.3REMOTEUPGRADEMITIGATE

CVE-2022-45866 is a medium-severity flaw (CVSS 5.3) affecting qpress, fedora. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

qpress before PierreLvx/qpress 20220819 and before version 11.3, as used in Percona XtraBackup and other products, allows directory traversal via ../ in a .qp file.

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Weakness	CWE-22
Published	2022-11-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: fedoraproject · qpress project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-11-23 20:15 UTCPublished CVE record published
2026-06-17 05:10 UTCUpdated Record last modified

qpress project qpress UPGRADE

Affected: < 11.3

Fixed in: 11.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy qpress || rpm -q qpress || qpress --version

2. UPGRADE to 11.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade qpress

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade qpress

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

fedoraproject fedora MITIGATE

Affected: 35 · 36 · 37

Fixed in: no fixed release known

Safe to downgrade to: a release before 35

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-45866?

qpress: upgrade to 11.3; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-45866 being exploited?

CVE-2022-45866 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-45866 affect?

CVE-2022-45866 affects qpress, fedora. Severity is medium (CVSS 5.3). qpress before PierreLvx/qpress 20220819 and before version 11.3, as used in Percona XtraBackup and other products, allows directory traversal via ../ in a .qp file.

How urgent is CVE-2022-45866?

Priority 46/100. Public exploit reference; Remotely exploitable, no login, no user action

References

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