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CVE-2024-43380

23
FAUCET Score

CVE-2024-43380 is a denial-of-service vulnerability affecting the "fugit" library, specifically its "natural" parser, used by products like floraison fugit. The parser fails to properly handle excessively long input strings, leading to an indefinite processing loop that can freeze the thread. With a CVSS score of 7.5 (High), this vulnerability allows unauthenticated attackers to cause a denial of service (A:H) with low attack complexity (AC:L) over the network (AV:N). There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.11.1CPE matchmatch criteria
cpe:2.3:a:floraison:fugit:*:*:*:*:*:ruby:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.79%
Probability of exploitation in next 30 days
EPSS Percentile
52.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0079 is in the 28th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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 (3)

github_advisorypatch availablevia nvd_reference
View patch
rubygemspatch availablevia ghsa
Product: fugitFixed in: 1.11.1
redhatvendor investigatingvia redhat_api
Product: Red Hat 3scale API Management Platform 2Fixed in: 3scale-amp-system-container

Vendor Advisories (2)

rubygemsGHSA-2m96-52r3-2f3gmedium

fugit parse and parse_nat stall on lengthy input

Aug 19, 2024
redhatCVE-2024-43380Low

fugit: Improper input validation in "natural" parser may lead to DoS

Aug 19, 2024

References

github.com / floraison/fugit/commit/ad2c1c9c737213d585fff0b51c927d178b2c05a5
Patch
github.com / floraison/fugit/issues/104
Issue TrackingPatch
github.com / floraison/fugit/security/advisories/GHSA-2m96-52r3-2f3g
Vendor Advisory