~/.config/apport/settings parsing is vulnerable to "billion laughs" attack
Priority LOW 30CWE-776Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
~/.config/apport/settings parsing is vulnerable to "billion laughs" attack
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00199 9th percentileScored 2026-11-07
Fix Fixed Apport (Canonical Ltd.): 2.21.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Canonical | Apport | before 2.21.0 | 2.21.0 | Patch available | CNA |
- Apport VendorCanonical Affected before 2.21.0 Fixed in 2.21.0 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apport_project:apport:*:*:*:*:*:*:*:* | before 2.21.0 | Vulnerable | Apport Project |
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:esm:*:*:* | 18.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* | 20.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:* | 21.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:* | 22.04 | Vulnerable | Canonical |
- cpe:2.3:a:apport_project:apport:*:*:*:*:*:*:*:* Versions before 2.21.0 Vulnerable ·Apport Project
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:esm:*:*:* Versions 18.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* Versions 20.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:* Versions 21.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:* Versions 22.04 Vulnerable ·Canonical
Remediation
- Fix · CNA Apport (Canonical Ltd.) Fixed in 2.21.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Canonical Apport — ubuntu.com/security/notices/USN-5427-1
8 records Highest priority Priority LOW 8 LOW
Other records, highest priority first
- TI-2021-02809 Time-of-check time-of-use race condition in Canonical ApportPriority LOW 36
- TI-2022-11302 Apport does not disable python crash handler before entering chrootPriority LOW 35
- TI-2022-01129 Apport can be tricked into connecting to arbitrary sockets as the root userPriority LOW 33
Timeline
- 2026-10-02 Threatist record created from CVE-2022-28652
- 2026-10-03 Alias added: GHSA-f474-ggqf-8jp5
References
More Canonical Ubuntu Linux vulnerabilities
- TI-2020-09349 An issue was discovered in SaltStack Salt before 2019.2.4 and 3000 before 3000.2. KEVCVSS 3.1CRITICAL 9.8
- TI-2020-05854 smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other… KEVCVSS 3.1CRITICAL 9.8
- TI-2020-01431 Netlogon Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2019-12627 Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than… KEVCVSS 3.1CRITICAL 9.8
- TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
- TI-2019-07471 OS command injection in exim KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2022-28652 · CVE Program
- CVE-2022-28652 · NVD
- FIRST EPSS
- GHSA-f474-ggqf-8jp5 · GitHub Advisory Database · CC BY 4.0
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