CLSA-2026-1783095447

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Import Source
https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1783095447.json
JSON Data
https://api.osv.dev/v1/vulns/CLSA-2026-1783095447
Upstream
Published
2026-07-03T16:17:43Z
Modified
2026-10-26T09:32:05Z
Summary
Fix CVE(s): CVE-2026-11979
Details
  • SECURITY UPDATE: stack buffer overflows in xmlcatalog --shell mode
    • debian/patches/CVE-2026-11979.patch: add bounds checks in the usershell() command-line parser in xmlcatalog.c to prevent stack buffer overflows when parsing overly long command lines
    • CVE-2026-11979
References

Affected packages

TuxCare:Ubuntu:20.04
libxml2

Package

Name
libxml2
Purl
pkg:deb/tuxcare/libxml2?distro=ubuntu-20.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els6

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1783095447.json"
libxml2-dev

Package

Name
libxml2-dev
Purl
pkg:deb/tuxcare/libxml2-dev?distro=ubuntu-20.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els6

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1783095447.json"
libxml2-doc

Package

Name
libxml2-doc
Purl
pkg:deb/tuxcare/libxml2-doc?distro=ubuntu-20.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els6

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1783095447.json"
libxml2-utils

Package

Name
libxml2-utils
Purl
pkg:deb/tuxcare/libxml2-utils?distro=ubuntu-20.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els6

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1783095447.json"
python-libxml2

Package

Name
python-libxml2
Purl
pkg:deb/tuxcare/python-libxml2?distro=ubuntu-20.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els6

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1783095447.json"
python3-libxml2

Package

Name
python3-libxml2
Purl
pkg:deb/tuxcare/python3-libxml2?distro=ubuntu-20.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els6

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1783095447.json"