How severe is CVE-2023-50249?

CVE-2023-50249 has a CVSS 3.x base score of 7.5, rated high 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 high.

Is CVE-2023-50249 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-50249?

CVE-2023-50249 affects Sentry Astro. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-50249?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-50249 published?

CVE-2023-50249 was published on 2023-12-20 and last updated on 2026-06-17.

CVE-2023-50249

CVE-2023-50249 is a high-severity vulnerability in Sentry Astro with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1333
Affected product: Sentry Astro
Published: 2023-12-20
Last modified: 2026-06-17

Description

Sentry-Javascript is official Sentry SDKs for JavaScript. A ReDoS (Regular expression Denial of Service) vulnerability has been identified in Sentry's Astro SDK 7.78.0-7.86.0. Under certain conditions, this vulnerability allows an attacker to cause excessive computation times on the server, leading to denial of service (DoS). This vulnerability has been patched in sentry/astro version 7.87.0.

Frequently asked questions

What is CVE-2023-50249?: Sentry-Javascript is official Sentry SDKs for JavaScript. A ReDoS (Regular expression Denial of Service) vulnerability has been identified in Sentry's Astro SDK 7.78.0-7.86.0. Under certain conditions, this vulnerability allows an attacker to cause excessive computation times on the server, leading to denial of service (DoS). This vulnerability has been patched in sentry/astro version 7.87.0.
How severe is CVE-2023-50249?: CVE-2023-50249 has a CVSS 3.x base score of 7.5, rated high 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 high.
Is CVE-2023-50249 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-50249?: CVE-2023-50249 affects Sentry Astro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-50249?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-50249 published?: CVE-2023-50249 was published on 2023-12-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sentry:astro:*:*:*:*:*:node.js:*:*

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