Disclosure summary
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.
Source-reported weakness categories
NVD-CWE-noinfo
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST NVD · NVD-CVE-2022-33070
Open original source · Updated Oct 08, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| protobuf-c_project | protobuf-c | 1.4.0 |
| fedoraproject | fedora | 36 |
NIST NVD · nvd:CVE-2022-33070
Open original source · Updated Oct 08, 2026
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.
Source severity: MEDIUM / 5.5
Indexed product associations
These cached associations support search and triage. Confirm applicability, platform conditions, and fixed versions in the original record.
| Vendor | Product | Version | Source / relationship |
|---|---|---|---|
| fedoraproject | fedora | 36 | nvd / vulnerable |
| protobuf-c project | protobuf-c | 1.4.0 | nvd / vulnerable |
Original records & references
- NIST NVD record
- CVE Program record
- cve@mitre.org — Exploit, Issue Tracking, Patch, Third Party Advisory
- cve@mitre.org — Exploit, Issue Tracking, Patch, Third Party Advisory
- cve@mitre.org
Repositories cited by this CVE
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- protobuf-c/protobuf-c CVE record citation
GitHub repository matches
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No stored repository matches
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Discovery progress
0 of 3 discovery queries finished. GitHub returned 0 indexed results; 0 malformed or disallowed results were rejected.
No discovery update has been recorded for this CVE.
View all 0 stored repository matches
PUBLISHED 2022-06-23T17:15:14+00:00
MODIFIED 2026-10-08T21:17:48+00:00
INGESTED 2026-10-12T07:39:03+00:00