CVE-2018-1333 — Vulnetix

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CVE-2018-1333 PUBLISHED

By specially crafting HTTP/2 requests, workers would be allocated 60 seconds longer than necessary, leading to worker exhaustion and a denial of service. Fixed in Apache HTTP Server 2.4.34 (Affected 2.4.18-2.4.30,2.4.33).

EPSS 9.86% · 92.9th percentile

Risk Scores

EPSS Score

9.86%

92.9th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:18.04:LTS	apache2	0, 2.4.27-2ubuntu3, 2.4.29-1ubuntu1

Timeline

CVE Published
Oct 28, 2018 PoC Published
Apr 14, 2021 EPSS Score
Feb 4, 2022 EPSS Score
Mar 7, 2023 EPSS Score
Nov 9, 2023 EPSS Score
Feb 5, 2024 EPSS Score
Feb 8, 2024 EPSS Score
Sep 11, 2024 EPSS Score
Mar 17, 2025 EPSS Score
Mar 30, 2025 EPSS Score
Apr 15, 2025 EPSS Score

References

https://ubuntu.com/security/CVE-2018-1333 third-party-advisory
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2018-1333 third-party-advisory
https://ubuntu.com/security/notices/USN-3783-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2018-1333 third-party-advisory

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