CVE-2025-53020
CVSS v3
7.5
HIGH
EPSS Score
4.9 %
exploit probability, as of 2026-10-05
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Late Release of Memory after Effective Lifetime vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: from 2.4.17 up to 2.4.63. Users are recommended to upgrade to version 2.4.64, which fixes the issue.
Technical details
- Published
- 2025-07-10
- Last Modified
- 2025-11-04
Frequently asked questions
What is CVE-2025-53020?
Late Release of Memory after Effective Lifetime vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: from 2.4.17 up to 2.4.63. Users are recommended to upgrade to version 2.4.64, which fixes the issue.
Is CVE-2025-53020 actively exploited?
Active exploitation of CVE-2025-53020 has not been confirmed. Its EPSS score was 4.9% on 2026-10-05, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2025-53020?
CVE-2025-53020 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2025-53020 affecting your environment?
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