Is CVE-2019-11922 in the CISA KEV catalog?

No. CVE-2019-11922 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-11922?

CVE-2019-11922 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2019-11922?

CVE-2019-11922 has an EPSS score of 1.42% (70th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-11922?

Upgrade libzstd on debian 11 to 1.3.8+dfsg-2 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2019-11922

HIGH

8.1

CVSS v3

NVD

Description

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.

CWE-362Race Condition

How to fix

Remediation Available

libzstdDebian

Fixed in:1.3.8+dfsg-2CVE-2019-11922

libzstdUbuntu

Fixed in:1.3.1+dfsg-1~ubuntu0.16.04.1+esm2USN-5593-1

Fixed in:1.3.3+dfsg-2ubuntu1.1USN-4108-1

libzstd1Ubuntu

Fixed in:1.3.1+dfsg-1~ubuntu0.16.04.1+esm2USN-5593-1

Fixed in:1.3.3+dfsg-2ubuntu1.1USN-4108-1

zstdUbuntu

Fixed in:1.3.1+dfsg-1~ubuntu0.16.04.1+esm2USN-5593-1

Fixed in:1.3.3+dfsg-2ubuntu1.1USN-4108-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.42%probability of exploitation in 30 days

70thpercentile

Moderate risk: more likely to be exploited than 70% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

facebook.com

Other references5

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-6387	High	8.1	100%	-	Fix
CVE-2023-36884	High	7.5	99%	KEV + Ransom	Fix
CVE-2018-15473	Medium	5.3	99%	-	Fix
CVE-2024-27983	High	8.2	87%	-	Fix
CVE-2014-0226	Medium	6.8	86%	-	Fix
CVE-2016-5195	High	7.0	84%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.