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.

Published: 2023-03-31 Last update: 2025-02-18 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-4899 is rated Moderate Risk (47.2/100): CVSS High severity, with low exploitation likelihood (EPSS 0.26%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-4899

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-18 0.21% 0.26% +0.05%
2 2025-11-21 0.53% 0.21% -0.32%
3 2025-11-18 — 0.53% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-4899

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2022-4899

GitHub Security Advisory for CVE-2022-4899

GHSA-5c9c-6x87-f9vm · Severity: high · Ecosystem: swift — zstd vulnerable to buffer overrun

OS Trackers for CVE-2022-4899

vendor priority summary link
debian not yet assigned CVE-2022-4899 not yet assigned priority: Debian including 1 source packages (libzstd), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 4, open 1. https://security-tracker.debian.org/tracker/CVE-2022-4899
redhat medium — https://access.redhat.com/security/cve/CVE-2022-4899
suse medium CVE-2022-4899 severity moderate: SUSE including 360 source package names (0.23.0.3.2.423:libzstd1-1.4.4-150000.1.9.1, 0.58.0.1.217:libzstd1-1.5.0-150400.3.3.1, …), 784 product×package rows across 280 product lines (Container bci/bci-init, Container bci/bci-minimal, … (280 product lines)): Fixed 627, Known Affected 142, Known Not Affected 15. https://www.suse.com/security/cve/CVE-2022-4899/
ubuntu low CVE-2022-4899 low priority: Ubuntu including 1 source packages (libzstd), 13 status rows across 13 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 9, ignored 2, needed 1, released 1. https://ubuntu.com/security/CVE-2022-4899

Affected software / configurations for CVE-2022-4899

Vendor Product Version Raw CPE
facebook zstandard 1.4.10 cpe:2.3:a:facebook:zstandard:1.4.10:*:*:*:*:*:*:*

References for CVE-2022-4899

cvelogic Threat Intelligence