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TI-2022-12909 Aliases CVE-2022-30780GHSA-43hv-3rv7-ch5p

Lighttpd 1.4.56 through 1.4.58 allows a remote attacker to cause a denial of service (CPU…

Priority HIGH 66CWE-682Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.57194 99th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:lighttpd:lighttpd:1.4.56:*:*:*:*:*:*:*1.4.56Vulnerablelighttpd
cpe:2.3:a:lighttpd:lighttpd:1.4.57:*:*:*:*:*:*:*1.4.57Vulnerablelighttpd
cpe:2.3:a:lighttpd:lighttpd:1.4.58:*:*:*:*:*:*:*1.4.58Vulnerablelighttpd
  • cpe:2.3:a:lighttpd:lighttpd:1.4.56:*:*:*:*:*:*:* Versions 1.4.56 Vulnerable ·lighttpd
  • cpe:2.3:a:lighttpd:lighttpd:1.4.57:*:*:*:*:*:*:* Versions 1.4.57 Vulnerable ·lighttpd
  • cpe:2.3:a:lighttpd:lighttpd:1.4.58:*:*:*:*:*:*:* Versions 1.4.58 Vulnerable ·lighttpd

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-30780
  2. 2026-10-03 Alias added: GHSA-43hv-3rv7-ch5p

References

Exploit 2

Patch 1

Advisory 1

  • TI-2019-08280 lighttpd before 1.4.54 has a signed integer overflow, which might allow remote attackers… CVSS 3.0CRITICAL 9.8
  • TI-2014-01841 SQL injection vulnerability in mod_mysql_vhost.c in lighttpd before 1.4.35 allows remote… CVSS 3.1CRITICAL 9.8
  • TI-2018-13505 An issue was discovered in mod_alias_physical_handler in mod_alias.c in lighttpd before… CVSS 3.1HIGH 7.5
  • TI-2014-01842 Multiple directory traversal vulnerabilities in (1) mod_evhost and (2) mod_simple_vhost… CVSS 2.0MEDIUM 5.0
  • TI-2013-04004 lighttpd before 1.4.33 does not check the return value of the (1) setuid, (2) setgid, or… CVSS 2.0HIGH 7.6
  • TI-2015-02830 mod_auth in lighttpd before 1.4.36 allows remote attackers to inject arbitrary log… CVSS 3.0HIGH 7.5
See all 34 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences