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CVE-2024-1930

21
FAUCET Score

CVE-2024-1930 is a denial-of-service vulnerability affecting dnf5daemon-server before version 5.1.17, part of rpm-software-management dnf5. A malicious local user can exploit the lack of a session limit to exhaust system resources by creating numerous D-Bus sessions, each spawning a new thread and consuming significant memory. This leads to service unavailability as further connections become impossible. Rated Medium severity (CVSS 6.5), the vulnerability has a low attack complexity but a high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.1.17CPE matchmatch criteria
cpe:2.3:a:rpm-software-management:dnf5:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.0
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
22.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0030 is in the 78th percentile among its peer group of 15,938 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

microsoftpatch availablevia msrc
Product: 17747-17084Fixed in: 5.1.11-2
microsoftpatch availablevia msrc
Product: 19699-17084Fixed in: 5.1.11-2
microsoftpatch availablevia msrc
Product: 20399-17086Fixed in: 5.0.14-3
microsoftpatch availablevia msrc
Product: 19708-17086Fixed in: 5.0.14-3
microsoftpatch availablevia msrc
Product: azl3 dnf5 5.1.11-2 on Azure Linux 3.0Fixed in: 5.1.11-2
microsoftpatch availablevia msrc
Product: azl3 dnf5 5.1.11-3 on Azure Linux 3.0Fixed in: 5.1.11-2
microsoftpatch availablevia msrc
Product: cbl2 dnf5 5.0.14-3 on CBL Mariner 2.0Fixed in: 5.0.14-3
microsoftpatch availablevia msrc
Product: cbl2 dnf5 5.0.14-2 on CBL Mariner 2.0Fixed in: 5.0.14-3

Vendor Advisories (1)

microsoft2024-May/CVE-2024-1930Moderate

No Limit on Number of Open Sessions / Bad Session Close Behaviour

May 14, 2024

References

openwall.com / lists/oss-security/2024/03/04/2
ExploitMailing ListThird Party Advisory