Back
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…
High7.5EPSS 57.2%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 57.2% · top 0.9% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (4)
- https://github.com/lighttpd/lighttpd1.4 (opens in a new tab)x_refsource_MISCx_transferred
- https://redmine.lighttpd.net/issues/3059 (opens in a new tab)x_refsource_MISCx_transferred
- https://podalirius.net/en/cves/2022-30780/ (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/p0dalirius/CVE-2022-30780-lighttpd-denial-of-service (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-30780)Record last updated .