Resource exhaustion in Facebook Zstandard
CVE-2022-4899
A vulnerability was found in zstd v1.4.10, where an attacker can supply empty string as an argument to the command line tool to cause buffer overrun.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.016 (73.1th percentile) — read the EPSS interpretation.
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.
Affected products
- Facebook Zstandard — versions 1.4.10
- N/a Zstd — versions zstd 1.5.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Patch, Issue Tracking)
- secalert@redhat.com
- secalert@redhat.com (vendor-advisory)
- secalert@redhat.com (vendor-advisory)
- secalert@redhat.com (vendor-advisory)
Frequently asked questions
- What is CVE-2022-4899?
- CVE-2022-4899 is a high-severity vulnerability in Facebook Zstandard, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-03-31.
- How severe is CVE-2022-4899?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-4899 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.