CVE-2022-28652: apport_project apport XML Entity Expansion
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2022-28652
Published 04-06-2024Last modified 13-03-2025
Vulnerability summary
CVE-2022-28652 is a medium (CVSS 5.5) XML Entity Expansion vulnerability in apport_project apport. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.1% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.20%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 04-06-2024PublishedVulnerability first disclosed.
- 13-03-2025Last modifiedVulnerability information updated.
Description
~/.config/apport/settings parsing is vulnerable to "billion laughs" attack
CVSS metrics
3 scores · 3 sources · 1 versionMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.20%
Chance of exploitation in the next 30 days
Percentile
9%
Versus all other CVEs
30-day change
0.00 pp
From 0.20% on 19-09-2026
19-09-202619-10-2026
EPSS score0.20%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Apport_project1 product
- apport< 2.21.0
Canonical1 product
- ubuntu_linuxEOL18.04 | 20.04 | 21.10 | 22.04
Canonical ltd.1 product
- apport< 2.21.0
Ubuntu1 product
- apportAll versions (No fix recorded) | < 2.20.1-0ubuntu2.30+esm4 | < 2.20.9-0ubuntu7.28 | < 2.20.11-0ubuntu27.24 | < 2.20.11-0ubuntu82.1
4 vendors · 4 products