Integer overflow in Zchunk
CVE-2023-46228
zchunk before 1.3.2 has multiple integer overflows via malformed zchunk files to lib/comp/comp.c, lib/comp/zstd/zstd.c, lib/dl/multipart.c, or lib/header.c.
Vulnerability class: Integer Overflow
EPSS: 0.003 (17.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Zchunk
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch)
- cve@mitre.org (Patch, Third Party Advisory, Issue Tracking)
- cve@mitre.org (Patch)
Frequently asked questions
- What is CVE-2023-46228?
- CVE-2023-46228 is a high-severity vulnerability in Zchunk, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2023-10-19.
- How severe is CVE-2023-46228?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2023-46228 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.