7.5

CVE-2022-48560: debian debian_linux Use After Free

Modified
AliasesUBUNTU-CVE-2022-48560USN-6394-1USN-6394-2
Published 22-08-2023Last modified 02-11-2026

Vulnerability summary

CVE-2022-48560 is a high (CVSS 7.5) Use After Free vulnerability in debian debian_linux. EPSS estimates a 2.04% chance of exploitation in the next 30 days, higher than 81.1% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Prioritisepublic exploit

Public exploit (reference, Date unknown)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.04%
0%100%
Low · +0.27 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 10 · Related 7

Timeline

  1. 22-08-2023
    PublishedVulnerability first disclosed.
  2. 02-11-2026
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

2.04%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

Increase +0.27 pp

From 1.77% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugs.python.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu6 products
  • python2.7< 2.7.18-1~20.04.7 | < 2.7.18-13ubuntu1.5 | < 2.7.6-8ubuntu0.6+esm17 | < 2.7.12-1ubuntu0~16.04.18+esm8 | < 2.7.17-1~18.04ubuntu1.13+esm3
  • python3.4All versions (No fix recorded)
  • python3.5< 3.5.2-2ubuntu0~16.04.4~14.04.1+esm1 | < 3.5.2-2ubuntu0~16.04.13+esm10
  • python3.6< 3.6.9-1~18.04ubuntu1.13+esm2
  • python3.7< 3.7.5-2ubuntu1~18.04.2+esm3
Debian2 products
Opensuse1 product
  • python&distro=openSUSE Tumbleweed< 2.7.18-41.1
Python1 product
  • pythonEOL< 3.6.11 | ≥ 3.7.0, < 3.7.7 | ≥ 3.8.0, < 3.8.2 | 3.9.0:alpha1 | 3.9.0:alpha2

4 vendors · 10 products

References

20 links
Show all 20 references