CLSA-2026-1786881091

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Import Source
https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json
JSON Data
https://api.osv.dev/v1/vulns/CLSA-2026-1786881091
Upstream
Published
2026-08-16T11:51:42Z
Modified
2026-10-26T09:32:02Z
Summary
Fix CVE(s): CVE-2026-1519
Details
  • SECURITY UPDATE: excessive NSEC3 iterations CPU denial of service during insecure delegation validation
    • debian/patches/CVE-2026-1519.patch: cap NSEC3 iterations at DNS_NSEC3_MAXITERATIONS (150) in isdelegation() and skip already-trusted rdatasets during the insecurity proof, and require dns_trust_secure before the iteration test so an unvalidated opt-out NSEC3 cannot short-circuit the proof (upstream follow-up 1bd458d3ba, bind9#5970)
    • CVE-2026-1519
References

Affected packages

TuxCare:Ubuntu:16.04
bind9

Package

Name
bind9
Purl
pkg:deb/tuxcare/bind9?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"
bind9-doc

Package

Name
bind9-doc
Purl
pkg:deb/tuxcare/bind9-doc?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"
bind9-host

Package

Name
bind9-host
Purl
pkg:deb/tuxcare/bind9-host?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"
bind9utils

Package

Name
bind9utils
Purl
pkg:deb/tuxcare/bind9utils?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"
dnsutils

Package

Name
dnsutils
Purl
pkg:deb/tuxcare/dnsutils?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"
host

Package

Name
host
Purl
pkg:deb/tuxcare/host?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"
libbind-dev

Package

Name
libbind-dev
Purl
pkg:deb/tuxcare/libbind-dev?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"
libbind-export-dev

Package

Name
libbind-export-dev
Purl
pkg:deb/tuxcare/libbind-export-dev?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"
libbind9-140

Package

Name
libbind9-140
Purl
pkg:deb/tuxcare/libbind9-140?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"
libdns-export162

Package

Name
libdns-export162
Purl
pkg:deb/tuxcare/libdns-export162?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"
libdns162

Package

Name
libdns162
Purl
pkg:deb/tuxcare/libdns162?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"
libirs-export141

Package

Name
libirs-export141
Purl
pkg:deb/tuxcare/libirs-export141?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"
libirs141

Package

Name
libirs141
Purl
pkg:deb/tuxcare/libirs141?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"
libisc-export160

Package

Name
libisc-export160
Purl
pkg:deb/tuxcare/libisc-export160?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"
libisc160

Package

Name
libisc160
Purl
pkg:deb/tuxcare/libisc160?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"
libisccc-export140

Package

Name
libisccc-export140
Purl
pkg:deb/tuxcare/libisccc-export140?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"
libisccc140

Package

Name
libisccc140
Purl
pkg:deb/tuxcare/libisccc140?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"
libisccfg-export140

Package

Name
libisccfg-export140
Purl
pkg:deb/tuxcare/libisccfg-export140?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"
libisccfg140

Package

Name
libisccfg140
Purl
pkg:deb/tuxcare/libisccfg140?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"
liblwres141

Package

Name
liblwres141
Purl
pkg:deb/tuxcare/liblwres141?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"
lwresd

Package

Name
lwresd
Purl
pkg:deb/tuxcare/lwresd?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els11

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786881091.json"