How severe is CVE-2023-30858?

CVE-2023-30858 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2023-30858 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-30858?

CVE-2023-30858 affects Denosaurs Emoji. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-30858?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-30858 published?

CVE-2023-30858 was published on 2023-04-28 and last updated on 2026-06-17.

CVE-2023-30858

CVE-2023-30858 is a medium-severity vulnerability in Denosaurs Emoji with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1333.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1333
Affected product: Denosaurs Emoji
Published: 2023-04-28
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2023-30858?: 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 0.3.0. As a workaround, avoid using the `replace`, `unemojify`, or `strip` functions.
How severe is CVE-2023-30858?: CVE-2023-30858 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2023-30858 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-30858?: CVE-2023-30858 affects Denosaurs Emoji. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-30858?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-30858 published?: CVE-2023-30858 was published on 2023-04-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:denosaurs:emoji:*:*:*:*:*:*:*:*

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