CVE-2022-28653: Users can consume unlimited disk space in /var/crash

Q: How do I fix CVE-2022-28653?

apport: upgrade to 2.21.0. Exact commands for each OS are on this page.

Q: Is CVE-2022-28653 being exploited?

CVE-2022-28653 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-2022-28653 affect?

CVE-2022-28653 affects apport. Severity is high (CVSS 7.5). Users can consume unlimited disk space in /var/crash

Q: How urgent is CVE-2022-28653?

Priority 40/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2022-28653 is a high-severity flaw (CVSS 7.5) affecting apport. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Users can consume unlimited disk space in /var/crash

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Published	2025-01-31
Last modified	2026-06-17

Publisher (CNA): Canonical Ltd. · Vendor: canonical

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

Am I affected?

Timeline

2025-01-31 01:15 UTCPublished CVE record published
2026-06-17 04:38 UTCUpdated Record last modified

canonical apport UPGRADE

Affected: < 2.21.0

Fixed in: 2.21.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2.21.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade apport

Note

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

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-2022-28653?

apport: upgrade to 2.21.0. Exact commands for each OS are on this page.

Is CVE-2022-28653 being exploited?

CVE-2022-28653 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-2022-28653 affect?

CVE-2022-28653 affects apport. Severity is high (CVSS 7.5). Users can consume unlimited disk space in /var/crash

How urgent is CVE-2022-28653?

Priority 40/100. High severity; Remotely exploitable, no login, no user action

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CVE-2023-1326 HIGH 7.7 UPGRADE MITIGATE A privilege escalation attack was found in apport-cli 2.26.0 and earlier which is similar to CVE-2023-26604
CVE-2022-1242 HIGH 7.8 UPGRADE MITIGATE Apport can be tricked into connecting to arbitrary sockets as the root user
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References

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