CLSA-2026-1783595407

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Import Source
https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1783595407.json
JSON Data
https://api.osv.dev/v1/vulns/CLSA-2026-1783595407
Upstream
CVE (2)
Published
2026-07-09T11:10:24Z
Modified
2026-10-26T09:32:03Z
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:18.04
libtomcat9-embed-java

Package

Name
libtomcat9-embed-java
Purl
pkg:deb/tuxcare/libtomcat9-embed-java?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.0.16-3ubuntu0.18.04.2+tuxcare.els17

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1783595407.json"
libtomcat9-java

Package

Name
libtomcat9-java
Purl
pkg:deb/tuxcare/libtomcat9-java?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.0.16-3ubuntu0.18.04.2+tuxcare.els17

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1783595407.json"
tomcat9

Package

Name
tomcat9
Purl
pkg:deb/tuxcare/tomcat9?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.0.16-3ubuntu0.18.04.2+tuxcare.els17

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1783595407.json"
tomcat9-admin

Package

Name
tomcat9-admin
Purl
pkg:deb/tuxcare/tomcat9-admin?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.0.16-3ubuntu0.18.04.2+tuxcare.els17

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1783595407.json"
tomcat9-common

Package

Name
tomcat9-common
Purl
pkg:deb/tuxcare/tomcat9-common?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.0.16-3ubuntu0.18.04.2+tuxcare.els17

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1783595407.json"
tomcat9-docs

Package

Name
tomcat9-docs
Purl
pkg:deb/tuxcare/tomcat9-docs?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.0.16-3ubuntu0.18.04.2+tuxcare.els17

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1783595407.json"
tomcat9-examples

Package

Name
tomcat9-examples
Purl
pkg:deb/tuxcare/tomcat9-examples?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.0.16-3ubuntu0.18.04.2+tuxcare.els17

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1783595407.json"
tomcat9-user

Package

Name
tomcat9-user
Purl
pkg:deb/tuxcare/tomcat9-user?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.0.16-3ubuntu0.18.04.2+tuxcare.els17

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1783595407.json"