CVE-2022-48560

python: use after free in heappushpop() of heapq module

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

NVD
RedHat

A use-after-free exists in Python through 3.9 via heappushpop in heapq.

A use-after-free vulnerability was found in Python via the heappushpop function in the heapq module. This flaw allows an attacker to submit a specially crafted request, causing a service disruption that leads to a denial of service attack.

*Credits: N/A

CVSS Scores

NISTv3.1 7.5

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-07-23 CVE Reserved
2023-08-22 CVE Published
2024-08-03 CVE Updated
2024-08-03 First Exploit
2024-09-23 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-416: Use After Free

CAPEC

References (8)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2023/09/msg00022.html	Mailing List
https://lists.debian.org/debian-lts-announce/2023/10/msg00017.html	Mailing List
https://security.netapp.com/advisory/ntap-20230929-0008

URL	Date	SRC
https://bugs.python.org/issue39421	2024-08-03

URL	Date	SRC

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JZ5OOBWNYWXFTZDMCGHJVGDLDTHLWITJ	2023-12-08
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VO7Y2YZSDK3UYJD2KBGLXRTGNG6T326J	2023-12-08
https://access.redhat.com/security/cve/CVE-2022-48560	2024-05-22
https://bugzilla.redhat.com/show_bug.cgi?id=2249755	2024-05-22

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Python Search vendor "Python"		Python Search vendor "Python" for product "Python"				< 3.6.11 Search vendor "Python" for product "Python" and version " < 3.6.11"		-		Affected
Python Search vendor "Python"		Python Search vendor "Python" for product "Python"				>= 3.7.0 < 3.7.7 Search vendor "Python" for product "Python" and version " >= 3.7.0 < 3.7.7"		-		Affected
Python Search vendor "Python"		Python Search vendor "Python" for product "Python"				>= 3.8.0 < 3.8.2 Search vendor "Python" for product "Python" and version " >= 3.8.0 < 3.8.2"		-		Affected
Python Search vendor "Python"		Python Search vendor "Python" for product "Python"				3.9.0 Search vendor "Python" for product "Python" and version "3.9.0"		alpha1		Affected
Python Search vendor "Python"		Python Search vendor "Python" for product "Python"				3.9.0 Search vendor "Python" for product "Python" and version "3.9.0"		alpha2		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected