CVE-2022-42227
jsonlint 1.0 is vulnerable to heap-buffer-overflow via /home/hjsz/jsonlint/src/lexer.
jsonlint 1.0 is vulnerable to heap-buffer-overflow via /home/hjsz/jsonlint/src/lexer.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
jsonlint 1.0 is vulnerable to heap-buffer-overflow via /home/hjsz/jsonlint/src/lexer.
- Record
CVE-2022-42227- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List
jsonlint 1.0 is vulnerable to heap-buffer-overflow via /home/hjsz/jsonlint/src/lexer.
- Record
CVE-2022-42227- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2022-45303
jsonlint 1.0 is vulnerable to heap-buffer-overflow via /home/hjsz/jsonlint/src/lexer.
- Record
EUVD-2022-45303- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-cqrw-65hp-hpv3
jsonlint 1.0 is vulnerable to heap-buffer-overflow via /home/hjsz/jsonlint/src/lexer.
jsonlint 1.0 is vulnerable to heap-buffer-overflow via /home/hjsz/jsonlint/src/lexer.
- Record
GHSA-cqrw-65hp-hpv3- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-42227 is a high vulnerability (CVSS 7.5) in Jsonlint Project C\+\+, published October 19, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.15%, the 67th percentile. No source names a fixed version.