ROOT-OS-DEBIAN-11-CVE-2026-56409

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Source
https://root.io/security/ROOT-OS-DEBIAN-11-CVE-2026-56409
Import Source
https://api.root.io/external/osv/ROOT-OS-DEBIAN-11-CVE-2026-56409.json
JSON Data
https://api.test.osv.dev/v1/vulns/ROOT-OS-DEBIAN-11-CVE-2026-56409
Upstream
Published
2026-08-21T10:28:59Z
Modified
2026-08-21T11:15:15Z
Summary
CVE-2026-56409 in expat - Patched by Root
Details

Root has patched CVE-2026-56409 in the expat package for Root:Debian:11. Multiple fixed versions available.

Database specific 
{
    "distro":  "debian",
    "distro_version":  "11",
    "severity":  "MEDIUM",
    "source":  "Root"
}

Affected packages

Root:Debian:11 / expat

Package

Name
expat

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.2.10-2+deb11u7.aikido.17
Fixed
2.2.10-2+deb11u7.aikido.19
Fixed
2.2.10-2+deb11u7.aikido.18

Database specific

all_fixed_versions 
[
    "2.2.10-2+deb11u7.aikido.17",
    "2.2.10-2+deb11u7.aikido.19",
    "2.2.10-2+deb11u7.aikido.18"
]
root_patch_version 
"aikido.19"
root_patched 
true
source 
"https://api.root.io/external/osv/ROOT-OS-DEBIAN-11-CVE-2026-56409.json"
total_fixed_versions 
3
upstream_version 
"2.2.10-2+deb11u7"

Root:Debian:11 / rootio-expat

Package

Name
rootio-expat

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.2.10-2+deb11u7.aikido.17
Fixed
2.2.10-2+deb11u7.aikido.19
Fixed
2.2.10-2+deb11u7.aikido.18

Database specific

all_fixed_versions 
[
    "2.2.10-2+deb11u7.aikido.17",
    "2.2.10-2+deb11u7.aikido.19",
    "2.2.10-2+deb11u7.aikido.18"
]
root_patch_version 
"aikido.19"
root_patched 
true
source 
"https://api.root.io/external/osv/ROOT-OS-DEBIAN-11-CVE-2026-56409.json"
total_fixed_versions 
3
upstream_version 
"2.2.10-2+deb11u7"