CVE-2022-48560
CVE-2022-48560 is a high-severity vulnerability in Python with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 2% (75th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-416
- Affected product: Python
- Published:
- Last modified:
Description
A use-after-free exists in Python through 3.9 via heappushpop in heapq.
Frequently asked questions
- What is CVE-2022-48560?
- A use-after-free exists in Python through 3.9 via heappushpop in heapq.
- How severe is CVE-2022-48560?
- CVE-2022-48560 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2022-48560 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-48560?
- CVE-2022-48560 primarily affects Python. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-48560?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2022-48560 published?
- CVE-2022-48560 was published on 2023-08-22 and last updated on 2026-06-17.
References
- https://bugs.python.org/issue39421
- https://lists.debian.org/debian-lts-announce/2023/09/msg00022.html
- https://lists.debian.org/debian-lts-announce/2023/10/msg00017.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JZ5OOBWNYWXFTZDMCGHJVGDLDTHLWITJ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VO7Y2YZSDK3UYJD2KBGLXRTGNG6T326J/
- https://security.netapp.com/advisory/ntap-20230929-0008/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/JZ5OOBWNYWXFTZDMCGHJVGDLDTHLWITJ/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/VO7Y2YZSDK3UYJD2KBGLXRTGNG6T326J/
Affected products (4)
- cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.9.0:alpha1:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.9.0:alpha2:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
More vulnerabilities in Python
- CVE-2008-5031 — Critical (CVSS 10.0): Multiple integer overflows in Python 2.2.3 through 2.5.1, and 2.6, allow context-dependent attackers to have an unknown…
- CVE-2022-48565 — Critical (CVSS 9.8): An XML External Entity (XXE) issue was discovered in Python through 3.9.1. The plistlib module no longer accepts entity…
- CVE-2022-37454 — Critical (CVSS 9.8): The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer overflow…
- CVE-2021-29921 — Critical (CVSS 9.8): In Python before 3,9,5, the ipaddress library mishandles leading zero characters in the octets of an IP address string.…
- CVE-2021-3177 — Critical (CVSS 9.8): Python 3.x through 3.9.1 has a buffer overflow in PyCArg_repr in _ctypes/callproc.c, which may lead to remote code…
- CVE-2020-27619 — Critical (CVSS 9.8): In Python 3 through 3.9.0, the Lib/test/multibytecodec_support.py CJK codec tests call eval() on content retrieved via…
Other CWE-416 (Use After Free) vulnerabilities
- CVE-2026-13782 — Critical (CVSS 10.0): Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
- CVE-2026-4725 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149…
- CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
- CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
- CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
- CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…
Browse all CWE-416 (Use After Free) vulnerabilities →
Threat intelligence
Threat-intel indicators referencing this CVE:
- 203.192.232.180 (ipv4-addr)
- 177.53.215.134 (ipv4-addr)
- 120.28.109.188 (ipv4-addr)
- 5.99.196.202 (ipv4-addr)
- 121.164.135.251 (ipv4-addr)
- 120.224.15.67 (ipv4-addr)
- 141.109.168.51 (ipv4-addr)
- 222.88.237.152 (ipv4-addr)