CVE Catalog

CVE-2022-33070

MediumCVSS 5.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Elevated risk
1.12%

65th percentile - higher than 65% of all known CVEs

Summary

Protobuf-c v1.4.0 contains an invalid arithmetic shift via the function parse_tag_and_wiretype in protobuf-c/protobuf-c.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via unspecified vectors.

Risk Assessment

An attacker can crash an application using protobuf-c, causing service unavailability.

Recommendation

Update protobuf-c to a version containing the fix. Avoid processing untrusted input through the library.

Related vulnerabilities

Original NVD description (English source)

Protobuf-c v1.4.0 was discovered to contain an invalid arithmetic shift via the function parse_tag_and_wiretype in protobuf-c/protobuf-c.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via unspecified vectors.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS