CLSA-2026-1791302296

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Import Source
https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791302296.json
JSON Data
https://api.osv.dev/v1/vulns/CLSA-2026-1791302296
Upstream
Published
2026-10-06T15:58:26Z
Modified
2026-10-26T09:32:04Z
Summary
Fix CVE(s): CVE-2026-63387
Details
  • SECURITY UPDATE: off-by-one stack overflow in dnsname_to_labels()
    • debian/patches/CVE-2026-63387.patch: fail instead of writing the terminating zero label past the end of the buffer in evdns.c
    • CVE-2026-63387
References

Affected packages

TuxCare:Ubuntu:18.04
libevent-2.1-6

Package

Name
libevent-2.1-6
Purl
pkg:deb/tuxcare/libevent-2.1-6?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.1.8-stable-4build1+tuxcare.els2

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791302296.json"
libevent-core-2.1-6

Package

Name
libevent-core-2.1-6
Purl
pkg:deb/tuxcare/libevent-core-2.1-6?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.1.8-stable-4build1+tuxcare.els2

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791302296.json"
libevent-dev

Package

Name
libevent-dev
Purl
pkg:deb/tuxcare/libevent-dev?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.1.8-stable-4build1+tuxcare.els2

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791302296.json"
libevent-extra-2.1-6

Package

Name
libevent-extra-2.1-6
Purl
pkg:deb/tuxcare/libevent-extra-2.1-6?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.1.8-stable-4build1+tuxcare.els2

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791302296.json"
libevent-openssl-2.1-6

Package

Name
libevent-openssl-2.1-6
Purl
pkg:deb/tuxcare/libevent-openssl-2.1-6?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.1.8-stable-4build1+tuxcare.els2

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791302296.json"
libevent-pthreads-2.1-6

Package

Name
libevent-pthreads-2.1-6
Purl
pkg:deb/tuxcare/libevent-pthreads-2.1-6?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.1.8-stable-4build1+tuxcare.els2

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791302296.json"