CVE-2021-22569
Denial of Service of protobuf-java parsing procedure
- State
- Published
- Severity
- 7.5 High
- Published
- Jan 7, 2022
- Updated
- Apr 21, 2025
- Reserved
- Jan 5, 2021
Description
An issue in protobuf-java allowed the interleaving of com.google.protobuf.UnknownFieldSet fields in such a way that would be processed out of order. A small malicious payload can occupy the parser for several minutes by creating large numbers of short-lived objects that cause frequent, repeated pauses. We recommend upgrading libraries beyond the vulnerable versions.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Weaknesses
- CWE-696 Incorrect Behavior Order
Affected Products
| Product | Versions |
|---|---|
protobuf-javaGoogle LLC |
|
protobuf-kotlinGoogle LLC |
|
google-protobuf [JRuby Gem]Google LLC |
|
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39330
- https://cloud.google.com/support/bulletins#gcp-2022-001
- [oss-security] 20220112 CVE-2021-22569: Protobuf Java, Kotlin, JRuby DoSmailing-list
- [oss-security] 20220112 Re: CVE-2021-22569: Protobuf Java, Kotlin, JRuby DoSmailing-list
- https://www.oracle.com/security-alerts/cpuapr2022.html
- [debian-lts-announce] 20230418 [SECURITY] [DLA 3393-1] protobuf security updatemailing-list
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