Cyber Resilience

CVE-2023-30858

MediumPublic PoC

Published: 28 April 2023

Published
28 April 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score 0.0056 68.7th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-30858 is a medium-severity Inefficient Regular Expression Complexity (CWE-1333) vulnerability in Denosaurs Emoji. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 31.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

The Denosaurs emoji package provides emojis for dinosaurs. Starting in version 0.1.0 and prior to version 0.3.0, the reTrimSpace regex has 2nd degree polynomial inefficiency, leading to a delayed response given a big payload. The issue has been patched in…

more

0.3.0. As a workaround, avoid using the `replace`, `unemojify`, or `strip` functions.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

denosaurs
emoji
0.1.0 — 0.3.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References