CVE-2026-0864
CPythonVulnerabilityCVSS 4.1
De multiples vulnérabilités ont été découvertes dans CPython. Certaines d'entre elles permettent à un attaquant de provoquer un déni de service à distance, une atteinte à la confidentialité des données et une atteinte à l'intégrité des données.
No public exploitation has been reported so far. No distribution fix is listed yet; apply vendor mitigations and monitor.
Recommended action: Track your distribution's security tracker and apply the fix as soon as it ships.
Severity metrics
CVSS 4.0 : 4.1 MEDIUM
Attack vectorLocal
Attack complexityLow
Attack requirementsPresent
Privileges requiredHigh
User interactionPassive
Confidentiality impactNone
Integrity impactHigh
Availability impactNone
Subsequent confidentialityNone
Subsequent integrityNone
Subsequent availabilityNone
Vector: AV:L/AC:L/AT:P/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Key points
- CVE : CVE-2026-0864, CVE-2026-11940, CVE-2026-11972
Affected & fixed versions by distribution
Versions are the native distribution strings (backport-aware): RHEL/Debian/SUSE backport fixes, so compare with the distro version comparator (dpkg / rpm / vercmp), not the upstream version.
| Distribution | Package | Affected | Fixed version | Status |
|---|---|---|---|---|
| Debian:12 | python3.11 | - | - | affected (no fix yet) |
| Ubuntu:Pro:22.04:LTS | python3.11 | - | - | affected (no fix yet) |