CVE-2020-21574
Buffer overflow vulnerability in YotsuyaNight c-http v0.1.0, allows attackers to cause a denial of service via a long url request which is passed to the delimitedread function.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.98%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Buffer overflow vulnerability in YotsuyaNight c-http v0.1.0, allows attackers to cause a denial of service via a long url request which is passed to the delimitedread function.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.98% probability · 62th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- c-http project/c-http
- Source
- cve@mitre.org
EPSS 1.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/YotsuyaNight/c-http/issues/1Exploit, Issue Tracking, Third Party Advisory
- https://github.com/YotsuyaNight/c-http/issues/1Exploit, Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.