CVE-2022-48560: debian debian_linux Use After Free
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.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 10 · Related 7Timeline
- 22-08-2023PublishedVulnerability first disclosed.
- 02-11-2026Last 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- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (bugs.python.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
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
- python2.7< 2.7.18-8+deb11u1
- debian_linuxEOL10.0
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- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory