Is CVE-2022-1941 in the CISA KEV catalog?

No. CVE-2022-1941 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-1941?

CVE-2022-1941 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2022-1941?

CVE-2022-1941 has an EPSS score of 1.18% (64th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-1941?

Upgrade protobuf on debian 11 to 3.12.4-1+deb11u1 or later. Fixes are available for 41 affected products.

CVE & CISA-KEV Catalog

CVE-2022-1941

HIGH

7.5

CVSS v3

NVD

Description

A parsing vulnerability for the MessageSet type in the ProtocolBuffers versions prior to and including 3.16.1, 3.17.3, 3.18.2, 3.19.4, 3.20.1 and 3.21.5 for protobuf-cpp, and versions prior to and including 3.16.1, 3.17.3, 3.18.2, 3.19.4, 3.20.1 and 4.21.5 for protobuf-python can lead to out of memory failures. A specially crafted message with multiple key-value per elements creates parsing issues, and can lead to a Denial of Service against services receiving unsanitized input. We recommend upgrading to versions 3.18.3, 3.19.5, 3.20.2, 3.21.6 for protobuf-cpp and 3.18.3, 3.19.5, 3.20.2, 4.21.6 for protobuf-python. Versions for 3.16 and 3.17 are no longer updated.

CWE-1286

How to fix

Remediation Available

protobufDebian

Fixed in:3.12.4-1+deb11u1CVE-2022-1941

Fixed in:3.21.9-3CVE-2022-1941

protobufRed Hat / RHEL

Fixed in:0:3.14.0-16.el9RHSA-2025:7138

protobufRocky

Fixed in:0:3.14.0-16.el9RHSA-2025:7138

protobuf-compilerRed Hat / RHEL

Fixed in:0:3.14.0-16.el9RHSA-2025:7138

protobuf-compilerRocky

Fixed in:0:3.14.0-16.el9RHSA-2025:7138

protobuf-compiler-debuginfoRed Hat / RHEL

Fixed in:0:3.14.0-16.el9RHSA-2025:7138

protobuf-compiler-debuginfoRocky

Fixed in:0:3.14.0-16.el9RHSA-2025:7138

protobuf-debuginfoRocky

Fixed in:0:3.14.0-16.el9RHSA-2025:7138

protobuf-debuginfoRed Hat / RHEL

Fixed in:0:3.14.0-16.el9RHSA-2025:7138

protobuf-debugsourceRed Hat / RHEL

Fixed in:0:3.14.0-16.el9RHSA-2025:7138

protobuf-debugsourceRocky

Fixed in:0:3.14.0-16.el9RHSA-2025:7138

protobuf-develRocky

Fixed in:0:3.14.0-16.el9RHSA-2025:7138

protobuf-develRed Hat / RHEL

Fixed in:0:3.14.0-16.el9RHSA-2025:7138

protobuf-liteRed Hat / RHEL

Fixed in:0:3.14.0-16.el9RHSA-2025:7138

protobuf-liteRocky

Fixed in:0:3.14.0-16.el9RHSA-2025:7138

protobuf-lite-debuginfoRed Hat / RHEL

Fixed in:0:3.14.0-16.el9RHSA-2025:7138

protobuf-lite-debuginfoRocky

Fixed in:0:3.14.0-16.el9RHSA-2025:7138

protobuf-lite-develRed Hat / RHEL

Fixed in:0:3.14.0-16.el9RHSA-2025:7138

protobuf-lite-develRocky

Fixed in:0:3.14.0-16.el9RHSA-2025:7138

python3-protobufRocky

Fixed in:0:3.14.0-16.el9RHSA-2025:7138

python3-protobufRed Hat / RHEL

Fixed in:0:3.14.0-16.el9RHSA-2025:7138

libprotobuf-javaUbuntu

Fixed in:3.12.4-1ubuntu7.22.04.1USN-5945-1

Fixed in:3.12.4-1ubuntu7.22.10.1USN-5945-1

libprotobuf-lite10Ubuntu

Fixed in:3.0.0-9.1ubuntu1.1USN-5945-1

libprotobuf-lite17Ubuntu

Fixed in:3.6.1.3-2ubuntu5.2USN-5945-1

libprotobuf-lite23Ubuntu

Fixed in:3.12.4-1ubuntu7.22.04.1USN-5945-1

Fixed in:3.12.4-1ubuntu7.22.10.1USN-5945-1

libprotobuf-lite8Ubuntu

Fixed in:2.5.0-9ubuntu1+esm1USN-5945-1

libprotobuf-lite9v5Ubuntu

Fixed in:2.6.1-1.3ubuntu0.1~esm2USN-5769-1

libprotobuf10Ubuntu

Fixed in:3.0.0-9.1ubuntu1.1USN-5945-1

libprotobuf23Ubuntu

Fixed in:3.12.4-1ubuntu7.22.04.1USN-5945-1

Fixed in:3.12.4-1ubuntu7.22.10.1USN-5945-1

libprotobuf8Ubuntu

Fixed in:2.5.0-9ubuntu1+esm1USN-5945-1

libprotobuf9v5Ubuntu

Fixed in:2.6.1-1.3ubuntu0.1~esm2USN-5769-1

libprotoc-devUbuntu

Fixed in:3.6.1.3-2ubuntu5.2USN-5945-1

libprotoc10Ubuntu

Fixed in:3.0.0-9.1ubuntu1.1USN-5945-1

libprotoc17Ubuntu

Fixed in:3.6.1.3-2ubuntu5.2USN-5945-1

libprotoc23Ubuntu

Fixed in:3.12.4-1ubuntu7.22.04.1USN-5945-1

Fixed in:3.12.4-1ubuntu7.22.10.1USN-5945-1

libprotoc8Ubuntu

Fixed in:2.5.0-9ubuntu1+esm1USN-5945-1

libprotoc9v5Ubuntu

Fixed in:2.6.1-1.3ubuntu0.1~esm2USN-5769-1

protobufUbuntu

Fixed in:2.5.0-9ubuntu1+esm1USN-5945-1

Fixed in:2.6.1-1.3ubuntu0.1~esm2USN-5769-1

Fixed in:3.0.0-9.1ubuntu1.1USN-5945-1

Fixed in:3.6.1.3-2ubuntu5.2USN-5945-1

Fixed in:3.12.4-1ubuntu7.22.04.1USN-5945-1

Fixed in:3.12.4-1ubuntu7.22.10.1USN-5945-1

protobuf-compilerUbuntu

Fixed in:2.5.0-9ubuntu1+esm1USN-5945-1

Fixed in:2.6.1-1.3ubuntu0.1~esm2USN-5769-1

Fixed in:3.0.0-9.1ubuntu1.1USN-5945-1

Fixed in:3.6.1.3-2ubuntu5.2USN-5945-1

Fixed in:3.12.4-1ubuntu7.22.04.1USN-5945-1

Fixed in:3.12.4-1ubuntu7.22.10.1USN-5945-1

python-protobufUbuntu

Fixed in:2.6.1-1.3ubuntu0.1~esm2USN-5769-1

Fixed in:3.0.0-9.1ubuntu1.1USN-5945-1

Fixed in:3.6.1.3-2ubuntu5.2USN-5945-1

python3-protobufUbuntu

Fixed in:3.0.0-9.1ubuntu1.1USN-5945-1

Fixed in:3.6.1.3-2ubuntu5.2USN-5945-1

Fixed in:3.12.4-1ubuntu7.22.04.1USN-5945-1

Fixed in:3.12.4-1ubuntu7.22.10.1USN-5945-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

1.18%probability of exploitation in 30 days

64thpercentile

Moderate risk: more likely to be exploited than 64% of all known CVEs.

References

Third-Party Advisory3

Mailing List1

lists.debian.org

Other references3

Related Vulnerabilities

Other CWE-1286 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-7954	Critical	9.8	90%	-	Fix
CVE-2025-13878	High	7.5	8.2%	-	Fix
CVE-2024-51983	High	7.5	7.8%	-	-
CVE-2026-21527	High	6.5	7.7%	-	Fix
CVE-2024-51982	High	7.5	7.1%	-	-
CVE-2023-27043	Medium	5.3	2.5%	-	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.