VulnerabilityModified
CVE-2021-22960
The parse function in llhttp < 2.1.4 and < 6.0.6. ignores chunk extensions when parsing the body of chunked requests.
MEDIUM 6.5EPSS 2.47%
Does this matter?
Lower severity and a low EPSS score (2.47%). Track it; it rarely justifies an emergency change on its own.
Description
The parse function in llhttp < 2.1.4 and < 6.0.6. ignores chunk extensions when parsing the body of chunked requests. This leads to HTTP Request Smuggling (HRS) under certain conditions.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- EPSS
- 2.47% probability · 84th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-444
- Affected
- llhttp/llhttp · oracle/graalvm · debian/debian linux
- Source
- support@hackerone.com
References
- https://hackerone.com/reports/1238099Exploit, Issue Tracking, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5170Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
- https://hackerone.com/reports/1238099Exploit, Issue Tracking, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5170Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.