Vulnerability in Facebook Zstandard
CVE-2019-11922
A race condition in the one-pass compression functions of Zstandard prior to version 1.3.8 could allow an attacker to write bytes out of bounds if an output buffer smaller than the recommended size was used.
Vulnerability class: Race Condition
EPSS: 0.014 (70.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Facebook Zstandard — versions 1.3.8, unspecified
Weakness classification (CWE)
References
- cve-assign@fb.com (vendor-advisory, x_refsource_SUSE)
- cve-assign@fb.com (vendor-advisory, x_refsource_SUSE)
- cve-assign@fb.com (x_refsource_UBUNTU, vendor-advisory)
- cve-assign@fb.com (vendor-advisory, x_refsource_SUSE)
- cve-assign@fb.com (x_refsource_MISC)
- cve-assign@fb.com (x_refsource_CONFIRM, Vendor Advisory)
- cve-assign@fb.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-11922?
- CVE-2019-11922 is a high-severity vulnerability in Facebook Zstandard, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 8.1/10. Published 2019-07-25.
- How severe is CVE-2019-11922?
- High severity. CVSS v3 base score is 8.1 out of 10.