CLSA-2026-1783351984

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Import Source
https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783351984.json
JSON Data
https://api.osv.dev/v1/vulns/CLSA-2026-1783351984
Upstream
CVE (2)
Published
2026-07-06T15:33:21Z
Modified
2026-10-26T09:31:46Z
Summary
Fix CVE(s): CVE-2026-55956, CVE-2026-55957
Details
  • SECURITY UPDATE: authentication bypass in JNDIRealm with GSSAPI
    • debian/patches/CVE-2026-55957.patch: don't reuse GSSAPI SASL auth when validating user credentials in java/org/apache/catalina/realm/JNDIRealm.java
    • CVE-2026-55957
  • SECURITY UPDATE: default servlet security constraint method bypass
    • debian/patches/CVE-2026-55956.patch: honour per-method constraints mapped to "/" in java/org/apache/catalina/realm/RealmBase.java
    • CVE-2026-55956
References

Affected packages

TuxCare:Ubuntu:16.04
libservlet3.1-java

Package

Name
libservlet3.1-java
Purl
pkg:deb/tuxcare/libservlet3.1-java?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.32-1ubuntu1.13+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783351984.json"
libservlet3.1-java-doc

Package

Name
libservlet3.1-java-doc
Purl
pkg:deb/tuxcare/libservlet3.1-java-doc?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.32-1ubuntu1.13+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783351984.json"
libtomcat8-java

Package

Name
libtomcat8-java
Purl
pkg:deb/tuxcare/libtomcat8-java?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.32-1ubuntu1.13+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783351984.json"
tomcat8

Package

Name
tomcat8
Purl
pkg:deb/tuxcare/tomcat8?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.32-1ubuntu1.13+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783351984.json"
tomcat8-admin

Package

Name
tomcat8-admin
Purl
pkg:deb/tuxcare/tomcat8-admin?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.32-1ubuntu1.13+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783351984.json"
tomcat8-common

Package

Name
tomcat8-common
Purl
pkg:deb/tuxcare/tomcat8-common?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.32-1ubuntu1.13+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783351984.json"
tomcat8-docs

Package

Name
tomcat8-docs
Purl
pkg:deb/tuxcare/tomcat8-docs?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.32-1ubuntu1.13+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783351984.json"
tomcat8-examples

Package

Name
tomcat8-examples
Purl
pkg:deb/tuxcare/tomcat8-examples?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.32-1ubuntu1.13+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783351984.json"
tomcat8-user

Package

Name
tomcat8-user
Purl
pkg:deb/tuxcare/tomcat8-user?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.32-1ubuntu1.13+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783351984.json"