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CVE-2024-27088

17
FAUCET Score

CVE-2024-27088 is a denial-of-service vulnerability affecting the medikoo es5-ext library, where passing functions with excessively long names or complex default arguments to specific methods can cause script stalls. With a CVSS score of 5.5 (Medium), this local attack requires low privileges and no user interaction, leading to high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.10.0, < 0.10.63CPE matchmatch criteria
cpe:2.3:a:medikoo:es5-ext:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

0.0NONE

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
0.8
Impact Score
0.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.53%
Probability of exploitation in next 30 days
EPSS Percentile
41.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0053 is in the 93rd 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 (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: es5-extFixed in: 0.10.63

Vendor Advisories (1)

npmGHSA-4gmj-3p3h-gm8hlow

es5-ext vulnerable to Regular Expression Denial of Service in `function#copy` and `function#toStringTokens`

Feb 26, 2024

References

github.com / medikoo/es5-ext/commit/3551cdd7b2db08b1632841f819d008757d28e8e2
Patch
github.com / medikoo/es5-ext/commit/a52e95736690ad1d465ebcd9791d54570e294602
Patch
github.com / medikoo/es5-ext/issues/201
ExploitIssue Tracking
github.com / medikoo/es5-ext/security/advisories/GHSA-4gmj-3p3h-gm8h
PatchVendor Advisory