CLSA-2026-1783686686

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Import Source
https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783686686.json
JSON Data
https://api.osv.dev/v1/vulns/CLSA-2026-1783686686
Upstream
CVE (2)
Published
2026-07-10T12:49:52Z
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
libservlet3.0-java

Package

Name
libservlet3.0-java
Purl
pkg:deb/tuxcare/libservlet3.0-java?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
7.0.68-1ubuntu0.4+tuxcare.els9

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783686686.json"
libservlet3.0-java-doc

Package

Name
libservlet3.0-java-doc
Purl
pkg:deb/tuxcare/libservlet3.0-java-doc?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
7.0.68-1ubuntu0.4+tuxcare.els9

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783686686.json"
libtomcat7-java

Package

Name
libtomcat7-java
Purl
pkg:deb/tuxcare/libtomcat7-java?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
7.0.68-1ubuntu0.4+tuxcare.els9

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783686686.json"
tomcat7

Package

Name
tomcat7
Purl
pkg:deb/tuxcare/tomcat7?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
7.0.68-1ubuntu0.4+tuxcare.els9

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783686686.json"
tomcat7-admin

Package

Name
tomcat7-admin
Purl
pkg:deb/tuxcare/tomcat7-admin?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
7.0.68-1ubuntu0.4+tuxcare.els9

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783686686.json"
tomcat7-common

Package

Name
tomcat7-common
Purl
pkg:deb/tuxcare/tomcat7-common?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
7.0.68-1ubuntu0.4+tuxcare.els9

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783686686.json"
tomcat7-docs

Package

Name
tomcat7-docs
Purl
pkg:deb/tuxcare/tomcat7-docs?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
7.0.68-1ubuntu0.4+tuxcare.els9

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783686686.json"
tomcat7-examples

Package

Name
tomcat7-examples
Purl
pkg:deb/tuxcare/tomcat7-examples?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
7.0.68-1ubuntu0.4+tuxcare.els9

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783686686.json"
tomcat7-user

Package

Name
tomcat7-user
Purl
pkg:deb/tuxcare/tomcat7-user?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
7.0.68-1ubuntu0.4+tuxcare.els9

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783686686.json"