CLSA-2026-1786109033

See a problem?
Import Source
https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786109033.json
JSON Data
https://api.osv.dev/v1/vulns/CLSA-2026-1786109033
Upstream
Published
2026-08-07T13:24:04Z
Modified
2026-10-26T09:32:01Z
Summary
Fix CVE(s): CVE-2026-56131
Details
  • SECURITY UPDATE: use-after-free through handler re-entrancy
    • debian/patches/CVE-2026-56131.patch: track the handler call depth at every handler call site, including the ones reached through a CDATA section, and reject XML_ResumeParser, XML_Parse, XML_ParseBuffer, XML_GetBuffer, XML_ParserFree and XML_ParserReset while a handler is on the stack (libexpat PR #1246, PR #1267 and PR #1278).
    • CVE-2026-56131
References

Affected packages

TuxCare:Ubuntu:16.04 / expat

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.1.0-7ubuntu0.16.04.5+tuxcare.els12

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786109033.json"

TuxCare:Ubuntu:16.04 / libexpat1

Package

Name
libexpat1
Purl
pkg:deb/tuxcare/libexpat1?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.1.0-7ubuntu0.16.04.5+tuxcare.els12

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786109033.json"

TuxCare:Ubuntu:16.04 / libexpat1-dev

Package

Name
libexpat1-dev
Purl
pkg:deb/tuxcare/libexpat1-dev?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.1.0-7ubuntu0.16.04.5+tuxcare.els12

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1786109033.json"