CVE catalog

CVE-2022-37797

lighttpd: CVE-2022-37797

Severity: High · CVSS 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: Sep 12, 2022, 3:15:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 2.55% · Oct 25, 2026

In lighttpd 1.4.65, mod_wstunnel does not initialize a handler function pointer if an invalid HTTP request (websocket handshake) is received. It leads to null pointer dereference which crashes the server. It could be used by an external attacker to cause denial of service condition.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	lighttpd	sid	`1.4.85-1`	fixed
Debian	lighttpd	forky	`1.4.85-1`	fixed
Debian	lighttpd	trixie	`1.4.79-2`	fixed
Debian	lighttpd	bookworm	`1.4.69-1`	fixed
Ubuntu	lighttpd	20.04	`1.4.53-4ubuntu2`	vulnerable
Ubuntu	lighttpd	20.04	`1.4.54-2ubuntu1`	vulnerable
Ubuntu	lighttpd	20.04	`1.4.55-1ubuntu1`	vulnerable
Ubuntu	lighttpd	20.04	`1.4.55-1ubuntu1.20.04.1`	vulnerable
Ubuntu	lighttpd	20.04	`1.4.55-1ubuntu1.20.04.2`	vulnerable
Ubuntu	lighttpd	22.04	`1.4.59-1ubuntu2`	vulnerable
Ubuntu	lighttpd	22.04	`1.4.59-1ubuntu3`	vulnerable
Ubuntu	lighttpd	22.04	`1.4.63-1ubuntu1`	vulnerable
Ubuntu	lighttpd	22.04	`1.4.63-1ubuntu2`	vulnerable
Ubuntu	lighttpd	22.04	`1.4.63-1ubuntu3`	vulnerable
Ubuntu	lighttpd	22.04	`1.4.63-1ubuntu3.1`	vulnerable
Opensuse	lighttpd	tumbleweed	`1.4.66-1.1`	fixed
Suse	lighttpd	package hub 15 sp3	`1.4.66-bp154.2.3.1`	fixed
Suse	lighttpd	package hub 15 sp4	`1.4.66-bp154.2.3.1`	fixed
Opensuse	lighttpd	leap 15.3	`1.4.66-bp154.2.3.1`	fixed
Opensuse	lighttpd	leap 15.4	`1.4.66-bp154.2.3.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	lighttpd	source	sid	`1.4.66-1`	not yet assigned	Not reported	Not reported
Debian	lighttpd	source	forky	`1.4.66-1`	not yet assigned	Not reported	Not reported
Debian	lighttpd	source	trixie	`1.4.66-1`	not yet assigned	Not reported	Not reported
Debian	lighttpd	source	bookworm	`1.4.66-1`	not yet assigned	Not reported	Not reported
Opensuse	lighttpd	rpm	tumbleweed	`1.4.66-1.1`	Not reported	OPENSUSE-SU-2024:12327-1	Not reported
Suse	lighttpd	rpm	package hub 15 sp3	`1.4.66-bp154.2.3.1`	Not reported	OPENSUSE-SU-2022:10132-1	Not reported
Suse	lighttpd	rpm	package hub 15 sp4	`1.4.66-bp154.2.3.1`	Not reported	OPENSUSE-SU-2022:10132-1	Not reported
Opensuse	lighttpd	rpm	leap 15.3	`1.4.66-bp154.2.3.1`	Not reported	OPENSUSE-SU-2022:10132-1	Not reported
Opensuse	lighttpd	rpm	leap 15.4	`1.4.66-bp154.2.3.1`	Not reported	OPENSUSE-SU-2022:10132-1	Not reported

OpenFactory catalog packages

[openSUSE Tumbleweed]

[lighttpd-mod_authn_dbi]Unknown
Source package: [lighttpd]
Details (1)
- 1.4.85-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 1.4.66-1.1
  Version impact unknown
  dsa · lighttpd · opensuse · tumbleweed
[lighttpd-mod_authn_gssapi]Unknown
Source package: [lighttpd]
Details (1)
- 1.4.85-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 1.4.66-1.1
  Version impact unknown
  dsa · lighttpd · opensuse · tumbleweed
[lighttpd-mod_authn_ldap]Unknown
Source package: [lighttpd]
Details (1)
- 1.4.85-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 1.4.66-1.1
  Version impact unknown
  dsa · lighttpd · opensuse · tumbleweed
[lighttpd-mod_authn_pam]Unknown
Source package: [lighttpd]
Details (1)
- 1.4.85-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 1.4.66-1.1
  Version impact unknown
  dsa · lighttpd · opensuse · tumbleweed
[lighttpd-mod_authn_sasl]Unknown
Source package: [lighttpd]
Details (1)
- 1.4.85-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 1.4.66-1.1
  Version impact unknown
  dsa · lighttpd · opensuse · tumbleweed
[lighttpd-mod_deflate]Unknown
Source package: [lighttpd]
Details (1)
- 1.4.85-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 1.4.66-1.1
  Version impact unknown
  dsa · lighttpd · opensuse · tumbleweed
[lighttpd-mod_gnutls]Unknown
Source package: [lighttpd]
Details (1)
- 1.4.85-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 1.4.66-1.1
  Version impact unknown
  dsa · lighttpd · opensuse · tumbleweed
[lighttpd-mod_magnet]Unknown
Source package: [lighttpd]
Details (1)
- 1.4.85-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 1.4.66-1.1
  Version impact unknown
  dsa · lighttpd · opensuse · tumbleweed
[lighttpd-mod_maxminddb]Unknown
Source package: [lighttpd]
Details (1)
- 1.4.85-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 1.4.66-1.1
  Version impact unknown
  dsa · lighttpd · opensuse · tumbleweed
[lighttpd-mod_mbedtls]Unknown
Source package: [lighttpd]
Details (1)
- 1.4.85-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 1.4.66-1.1
  Version impact unknown
  dsa · lighttpd · opensuse · tumbleweed
[lighttpd-mod_nss]Unknown
Source package: [lighttpd]
Details (1)
- 1.4.85-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 1.4.66-1.1
  Version impact unknown
  dsa · lighttpd · opensuse · tumbleweed
[lighttpd-mod_openssl]Unknown
Source package: [lighttpd]
Details (1)
- 1.4.85-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 1.4.66-1.1
  Version impact unknown
  dsa · lighttpd · opensuse · tumbleweed
[lighttpd-mod_rrdtool]Unknown
Source package: [lighttpd]
Details (1)
- 1.4.85-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 1.4.66-1.1
  Version impact unknown
  dsa · lighttpd · opensuse · tumbleweed
[lighttpd-mod_vhostdb_dbi]Unknown
Source package: [lighttpd]
Details (1)
- 1.4.85-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 1.4.66-1.1
  Version impact unknown
  dsa · lighttpd · opensuse · tumbleweed
[lighttpd-mod_vhostdb_ldap]Unknown
Source package: [lighttpd]
Details (1)
- 1.4.85-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 1.4.66-1.1
  Version impact unknown
  dsa · lighttpd · opensuse · tumbleweed
[lighttpd-mod_vhostdb_mysql]Unknown
Source package: [lighttpd]
Details (1)
- 1.4.85-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 1.4.66-1.1
  Version impact unknown
  dsa · lighttpd · opensuse · tumbleweed
[lighttpd-mod_vhostdb_pgsql]Unknown
Source package: [lighttpd]
Details (1)
- 1.4.85-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 1.4.66-1.1
  Version impact unknown
  dsa · lighttpd · opensuse · tumbleweed
[lighttpd-mod_webdav]Unknown
Source package: [lighttpd]
Details (1)
- 1.4.85-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 1.4.66-1.1
  Version impact unknown
  dsa · lighttpd · opensuse · tumbleweed

[Debian 12 (Bookworm)]

[lighttpd]Fixed
Details (2)
- 1.4.69-1 · amd64 · bookworm
  Fixed · Fixed: 1.4.66-1
  dsa · lighttpd · debian · bookworm
- 1.4.69-1 · arm64 · bookworm
  Fixed · Fixed: 1.4.66-1
  dsa · lighttpd · debian · bookworm
[lighttpd-doc]Fixed
Source package: [lighttpd]
Details (2)
- 1.4.69-1 · all · bookworm
  Fixed · Fixed: 1.4.66-1
  dsa · lighttpd · debian · bookworm
- 1.4.69-1 · all · bookworm
  Fixed · Fixed: 1.4.66-1
  dsa · lighttpd · debian · bookworm

Next results

Observed: Oct 23, 2026, 6:29:04 PM UTC

References

[CERT-Bund public advisories] · [CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]