CVE-2022-28652 json
~/.config/apport/settings parsing is vulnerable to "billion laughs" attack
published 2024-06-04 2 y ago modified 2026-06-17 4 mo ago also EUVD-2022-33094
- cvss
- 5.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 9%
- public exploits
- 0
- none known
Summary
~/.config/apport/settings parsing is vulnerable to "billion laughs" attack
Patch / fix
- Canonical Ltd. Apport 2.21.0
- apport Ubuntu 18.04 LTS 2.20.9-0ubuntu7.28
- apport Ubuntu 20.04 LTS 2.20.11-0ubuntu27.24
- apport Ubuntu 22.04 LTS 2.20.11-0ubuntu82.1
- apport Ubuntu Pro 16.04 LTS 2.20.1-0ubuntu2.30+esm4
ubuntu advisories UBUNTU-CVE-2022-28652
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Canonical Ltd. Apport
Classification
- Weakness
-
- CWE-776 Improper Restriction of Recursive Entity References in DTDs
References
-
ubuntu.com
/security/notices/USN-5427-1
vendor-advisory, third-party-advisory
-
cve.org
/CVERecord?id=CVE-2022-28652
issue-tracking, third-party-advisory
Sources
- CVE List CVE-2022-28652
- NVD CVE-2022-28652
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.