CVE-2022-48560
highA use-after-free exists in Python through 3.9 via heappushpop in heapq.
Vendor / product: Python — python
A use-after-free exists in Python through 3.9 via heappushpop in heapq.
CVSS
7.5
7.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2023-08-22 19:16
Modified: 2026-11-02 23:17
NVD status: Modified
Last synced 3 hours ago
Verified against the source API 2026-11-02 23:17 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
python / python <3.6.11, ≥3.7.0 <3.7.7, ≥3.8.0 <3.8.2, 3.9.0
debian / debian_linux 10.0
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://bugs.python.org/issue39421
Vendor advisory: https://bugs.python.org/issue39421
Patch / mitigation: https://bugs.python.org/issue39421
Patch / mitigation: https://bugs.python.org/issue39421
References
- https://bugs.python.org/issue39421 cve@mitre.org
- https://lists.debian.org/debian-lts-announce/2023/09/msg00022.html cve@mitre.org
- https://lists.debian.org/debian-lts-announce/2023/10/msg00017.html cve@mitre.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/m... cve@mitre.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/m... cve@mitre.org
- https://security.netapp.com/advisory/ntap-20230929-0008/ cve@mitre.org
- https://bugs.python.org/issue39421 af854a3a-2127-422b-91ae-364da2661108
- https://lists.debian.org/debian-lts-announce/2023/09/msg00022.html af854a3a-2127-422b-91ae-364da2661108
- https://lists.debian.org/debian-lts-announce/2023/10/msg00017.html af854a3a-2127-422b-91ae-364da2661108
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/m... af854a3a-2127-422b-91ae-364da2661108
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/m... af854a3a-2127-422b-91ae-364da2661108
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/mes... af854a3a-2127-422b-91ae-364da2661108
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/mes... af854a3a-2127-422b-91ae-364da2661108
- https://security.netapp.com/advisory/ntap-20230929-0008/ af854a3a-2127-422b-91ae-364da2661108
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Data sources
NVD CVE API 2.0 — fetched 2026-11-02 23:17 UTC · record ↗