DEBIAN-CVE-2026-103222

Source
https://security-tracker.debian.org/tracker/CVE-2026-103222
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-103222.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-103222
Upstream
Published
2026-09-30T15:22:25Z
Modified
2026-10-01T05:00:35Z
Severity
  • 6.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator
Summary
[none]
Details

A vulnerability was determined in Blosc C-Blosc2 up to 3.3.2. This impacts the function blosclz_decompress of the file blosc/blosclz.c of the component blosclz Decompression. Executing a manipulation can lead to integer overflow. The attack may be launched remotely. A high complexity level is associated with this attack. The exploitability is said to be difficult. Upgrading to version 3.3.3 will fix this issue. This patch is called fe2964d114d97847f56570a0ab2be2c57ccbeedc. The affected component should be upgraded.

References

Affected packages

Debian:13 / c-blosc2

Package

Name
c-blosc2
Purl
pkg:deb/debian/c-blosc2?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.17.1+ds-1
2.17.1+ds-2
2.22.0+ds-1~exp1
2.22.0+ds-1
2.23.0+ds-1~exp1
2.23.0+ds-1~exp2
2.23.0+ds-1
2.23.1+ds-1
2.23.1+ds-2
3.*
3.1.5-1~exp1
3.2.3-1~exp1

Ecosystem specific

{
    "urgency":  "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-103222.json"

Debian:14 / c-blosc2

Package

Name
c-blosc2
Purl
pkg:deb/debian/c-blosc2?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.17.1+ds-1
2.17.1+ds-2
2.22.0+ds-1~exp1
2.22.0+ds-1
2.23.0+ds-1~exp1
2.23.0+ds-1~exp2
2.23.0+ds-1
2.23.1+ds-1
2.23.1+ds-2
3.*
3.1.5-1~exp1
3.2.3-1~exp1

Ecosystem specific

{
    "urgency":  "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-103222.json"