CVE-2024-1930: No Limit on Number of Open Sessions / Bad Session Close Behaviour in dnf5daemon-server before 5.1.17 allows a

Q: How do I fix CVE-2024-1930?

dnf5: upgrade to 5.1.17. Exact commands for each OS are on this page.

Q: Is CVE-2024-1930 being exploited?

CVE-2024-1930 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-2024-1930 affect?

CVE-2024-1930 affects dnf5. Severity is medium (CVSS 6.5). No Limit on Number of Open Sessions / Bad Session Close Behaviour in dnf5daemon-server before 5.1.17 allows a malicious user to impact Availability via No Limit on Number of Open Sessions. There is no limit on how many sessions D-Bus clie

Q: How urgent is CVE-2024-1930?

Priority 33/100. Public exploit reference

Routine

MEDIUM 6.5UPGRADE

CVE-2024-1930 is a medium-severity flaw (CVSS 6.5) affecting dnf5. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

No Limit on Number of Open Sessions / Bad Session Close Behaviour in dnf5daemon-server before 5.1.17 allows a malicious user to impact Availability via No Limit on Number of Open Sessions. There is no limit on how many sessions D-Bus clients may create using the `open_session()` D-Bus method. For each session a thread is created in dnf5daemon-server. This spends a couple of hundred megabytes of memory in the process. Further connections will be

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-400
Published	2024-05-08
Last modified	2026-06-17

Publisher (CNA): Fedora Project · Vendor: rpm-software-management

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

Am I affected?

Timeline

2024-05-08 02:15 UTCPublished CVE record published
2026-06-17 07:05 UTCUpdated Record last modified

rpm-software-management dnf5 UPGRADE

Affected: < 5.1.17

Fixed in: 5.1.17

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy dnf5 || rpm -q dnf5 || dnf5 --version

2. UPGRADE to 5.1.17 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade dnf5

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dnf5

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-2024-1930?

dnf5: upgrade to 5.1.17. Exact commands for each OS are on this page.

Is CVE-2024-1930 being exploited?

CVE-2024-1930 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-2024-1930 affect?

CVE-2024-1930 affects dnf5. Severity is medium (CVSS 6.5). No Limit on Number of Open Sessions / Bad Session Close Behaviour in dnf5daemon-server before 5.1.17 allows a malicious user to impact Availability via No Limit on Number of Open Sessions. There is no limit on how many sessions D-Bus clie

How urgent is CVE-2024-1930?

Priority 33/100. Public exploit reference

Related CVEs

CVE-2024-1929 HIGH 7.5 UPGRADE Local Root Exploit via Configuration Dictionary in dnf5daemon-server before 5.1.17 allows a malicious user to

References

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