CVE-2022-33070
Summary
| CVE | CVE-2022-33070 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2022-06-23 17:15:14 UTC |
| Updated | 2026-10-08 21:17:48 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v3.1 5.5 MEDIUM from [email protected]
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS: 0.011150000 probability, percentile 0.650860000 (date 2026-10-10)
Problem Types: NVD-CWE-noinfo | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 5.5 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:N/AC:M/Au:N/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Fedoraproject | Fedora | 36 | All | All | All |
| Application | Protobuf-c Project | Protobuf-c | 1.4.0 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| [SECURITY] Fedora 36 Update: protobuf-c-1.4.1-2.fc36 - package-announce - Fedora Mailing-Lists | af854a3a-2127-422b-91ae-364da2661108 | lists.fedoraproject.org | |
| UndefinedBehaviorSanitizer: invalid left shift in protobuf-c.c:2086 · Issue #506 · protobuf-c/protobuf-c · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | Exploit, Issue Tracking, Patch, Third Party Advisory |
| Only shift unsigned values to avoid implementation-specific behavior. by millert · Pull Request #508 · protobuf-c/protobuf-c · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | Exploit, Issue Tracking, Patch, Third Party Advisory |
| [SECURITY] Fedora 36 Update: protobuf-c-1.4.1-2.fc36 - package-announce - Fedora Mailing-Lists | MITRE | lists.fedoraproject.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 181982 Debian Security Update for protobuf-c (CVE-2022-33070)
- 198873 Ubuntu Security Notification for protobuf-c Vulnerability (USN-5531-1)
- 199112 Ubuntu Security Notification for Sudo Vulnerabilities (USN-5811-1)
- 283090 Fedora Security Update for protobuf (FEDORA-2022-3be472fe11)
- 354317 Amazon Linux Security Advisory for protobuf-c : ALAS2022-2022-248
- 354532 Amazon Linux Security Advisory for protobuf-c : ALAS-2022-248
- 355232 Amazon Linux Security Advisory for protobuf-c : ALAS2023-2023-086
- 502785 Alpine Linux Security Update for protobuf-c
- 672259 EulerOS Security Update for sudo (EulerOS-SA-2022-2701)
- 672301 EulerOS Security Update for sudo (EulerOS-SA-2022-2669)
- 902367 Common Base Linux Mariner (CBL-Mariner) Security Update for protobuf-c (9973)
- 902469 Common Base Linux Mariner (CBL-Mariner) Security Update for protobuf-c (10114)
- 902638 Common Base Linux Mariner (CBL-Mariner) Security Update for protobuf-c (9973-1)