What is CVE-2025-14550?

CVE-2025-14550 is a high-severity vulnerability in Djangoproject Asgiref, classified under Inefficient Algorithmic Complexity. CVSS score: 7.5/10. Published 2026-02-03.

How severe is CVE-2025-14550?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Djangoproject Asgiref

CVE-2025-14550

An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28. `ASGIRequest` allows a remote attacker to cause a potential denial-of-service via a crafted request with multiple duplicate headers. Earlier, unsupporte…

EPSS: 0.010 (58.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Djangoproject Asgiref — versions 3, 3.11.1
Djangoproject Django — versions 6.0, 6.0.2, 5.2

Weakness classification (CWE)

CWE-407 — Inefficient Algorithmic Complexity

References

6a34fbeb-21d4-45e7-8e0a-62b95bc12c92 (vendor-advisory, Patch, Vendor Advisory)
6a34fbeb-21d4-45e7-8e0a-62b95bc12c92 (mailing-list, Release Notes)
6a34fbeb-21d4-45e7-8e0a-62b95bc12c92 (vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-14550?: CVE-2025-14550 is a high-severity vulnerability in Djangoproject Asgiref, classified under Inefficient Algorithmic Complexity. CVSS score: 7.5/10. Published 2026-02-03.
How severe is CVE-2025-14550?: High severity. CVSS v3 base score is 7.5 out of 10.