What is CVE-2022-30780?

CVE-2022-30780 is a vulnerability in Lighttpd versions 1.4.56 through 1.4.58 that allows a remote attacker to cause a denial of service by consuming excessive CPU resources through stuck connections.

How does CVE-2022-30780 impact Lighttpd?

CVE-2022-30780 affects Lighttpd by disrupting the use of multiple read operations on large headers, leading to excessive CPU consumption and a denial of service.

What is the severity of CVE-2022-30780?

CVE-2022-30780 has a severity rating of 7.5, classified as high.

Which versions of Lighttpd are affected by CVE-2022-30780?

Lighttpd versions 1.4.56, 1.4.57, and 1.4.58 are affected by CVE-2022-30780.

Are there any fixes or patches available for CVE-2022-30780?

At the time of writing, there are no official patches or fixes available for CVE-2022-30780. It is recommended to update to a non-vulnerable version when one becomes available.

Vulnerability/
CVE-2022-30780

high

7.5

CWE

682

11/6/2022

3/8/2024

CVE-2022-30780

First published: Sat Jun 11 2022(Updated: )

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.

Credit: cve@mitre.org cve@mitre.org

Affected Software	Affected Version	How to fix
Lighttpd Lighttpd	=1.4.56
Lighttpd Lighttpd	=1.4.57
Lighttpd Lighttpd	=1.4.58

Remedy

https://redmine.lighttpd.net/issues/3059

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is CVE-2022-30780?
CVE-2022-30780 is a vulnerability in Lighttpd versions 1.4.56 through 1.4.58 that allows a remote attacker to cause a denial of service by consuming excessive CPU resources through stuck connections.
How does CVE-2022-30780 impact Lighttpd?
CVE-2022-30780 affects Lighttpd by disrupting the use of multiple read operations on large headers, leading to excessive CPU consumption and a denial of service.
What is the severity of CVE-2022-30780?
CVE-2022-30780 has a severity rating of 7.5, classified as high.
Which versions of Lighttpd are affected by CVE-2022-30780?
Lighttpd versions 1.4.56, 1.4.57, and 1.4.58 are affected by CVE-2022-30780.
Are there any fixes or patches available for CVE-2022-30780?
At the time of writing, there are no official patches or fixes available for CVE-2022-30780. It is recommended to update to a non-vulnerable version when one becomes available.

collector/nvd-api
collector/nvd-index
agent/author
agent/references
agent/severity
agent/weakness
agent/type
agent/description
agent/event
agent/remedy
agent/last-modified-date
agent/softwarecombine
agent/first-publish-date
agent/tags
collector/mitre-cve
source/MITRE
vendor/lighttpd
canonical/lighttpd lighttpd
version/lighttpd lighttpd/1.4.56
version/lighttpd lighttpd/1.4.57
version/lighttpd lighttpd/1.4.58

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.