zstd (pypi) has 1 known vulnerability, the worst rated HIGH. Upgrade to 1.5.4.0 or later to clear it. No malicious-package signal is recorded.
0 direct dependencies
none carry a known advisory
12 packages depend on it
an advisory here reaches each of them
No published models are known to use this package.
CVSS v3.1 base score out of 10
chance of exploitation in 30 days, 76th percentile of all CVEs
CyberXYZ composite out of 10
fig. 01 — GHSA-5c9c-6x87-f9vm, the advisory selected below
A vulnerability was found in zstd v1.4.10, where an attacker can supply an empty string as an argument to the command line tool to cause buffer overrun.
Full advisory text at GitHub advisory or NVD.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CyberXYZ does not call a package safe in absolute terms. It records 1 known vulnerability for zstd (pypi), the worst rated HIGH, and no malicious-package signal. Whether it is acceptable depends on the version you run.
Yes. CyberXYZ records 1 known vulnerability for zstd (pypi), the worst rated HIGH. They are GHSA-5c9c-6x87-f9vm.
1.5.4.0 or later clears every advisory recorded for zstd (pypi). Check the release you pick before installing it.
Search zstd in CyberXYZ Check at https://cyberxyz.io/check?q=zstd. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.
Checked 2026-11-14 at 15:21 UTC. The most recent advisory here was published 2023-03-31. Updated continuously from NVD, GHSA, OSV and CNA feeds.