CVE-2023-52066

CVE-2023-52066 is a high-severity vulnerability with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

http.zig commit 76cf5 was discovered to contain a CRLF injection vulnerability via the url parameter.

Frequently asked questions

What is CVE-2023-52066?
http.zig commit 76cf5 was discovered to contain a CRLF injection vulnerability via the url parameter.
How severe is CVE-2023-52066?
CVE-2023-52066 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-52066 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-52066?
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.
Does CVE-2023-52066 have an EU (EUVD) identifier?
Yes. CVE-2023-52066 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56745.
When was CVE-2023-52066 published?
CVE-2023-52066 was published on 2024-10-30 and last updated on 2026-06-17.

References