Buffer overflow in Jsonlint Project C\+\+
CVE-2022-42227
jsonlint 1.0 is vulnerable to heap-buffer-overflow via /home/hjsz/jsonlint/src/lexer.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.010 (61.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000
Affected products
- Jsonlint Project C\+\+ — versions 1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/p-ranav/jsonlint/issues/2 (Exploit, Third Party Advisory)
- github.com/yangfar/CVE/blob/main/CVE-2022-42227.md (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-42227?
- CVE-2022-42227 is a high-severity vulnerability in Jsonlint Project C\+\+, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-10-19.
- How severe is CVE-2022-42227?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-42227 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.