CVE-2022-30780

Lighttpd 1.4.56 through 1.4.58 allows a remote attacker to cause a denial of service (CPU consumption from stuck connections) because connection_read_header_more in connections.c has a typo that disrupts use of multiple read operations on large headers.

CVSS v3.1

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

56.92% chance of exploitation in the next 30 days, 99th percentile

Published

2022-06-11

Updated

2024-08-03

Proof-of-concept exploits (2)

• https://podalirius.net/en/cves/2022-30780/
• p0dalirius/CVE-2022-30780-lighttpd-denial-of-service17★ · 2024-03-16

References

• CVE Record
• NVD entry

Related

• CVE-2016-10956
• CVE-2018-16763
• CVE-2020-14144
• CVE-2020-8813
• CVE-2021-31800
• CVE-2021-43008