CVE-2024-39702

5.9 mediumEPSS 0.6%

Medium (5.9) in openresty openresty. EPSS 0.6% chance of exploitation in the next 30 days.

In lj_str_hash.c in OpenResty 1.19.3.1 through 1.25.3.1, the string hashing function (used during string interning) allows HashDoS (Hash Denial of Service) attacks. An attacker could cause excessive resource usage during proxy operations via crafted requests, potentially leading to a denial of service with relatively few incoming requests. This vulnerability only exists in the OpenResty fork in the openresty/luajit2 GitHub repository. The LuaJIT/LuaJIT repository. is unaffected.

Severity

CVSS 3.1

5.9 medium

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 46% of CVEs (scores of 2026-10-31)
CWE: CWE-407
Published: 2024-07-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

openresty:openresty

References

https://openresty.org/en/ann-1025003002.html
https://openresty.org/en/ann-1025003002.html

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