CVE-2022-30780

HIGH
7.5
CVSS Score
Published: June 11, 2022 at 02:40 PM UTC
Updated: June 17, 2026 at 04:44 AM UTC
1 product affected across 1 vendorLighttpd

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Severity
HIGH7.5
Exploit prediction
EPSS 57%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

x_refsource_MISCProductThird Party Advisory
https://github.com/lighttpd/lighttpd1.4
x_refsource_MISCExploitThird Party Advisory
https://podalirius.net/en/cves/2022-30780/
x_refsource_MISCIssue TrackingPatchVendor Advisory
https://redmine.lighttpd.net/issues/3059

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-682

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