Asymmetric denial of service - ReDoS In protobuf
Description
A Denial of Service (DoS) vulnerability exists in the Protobuf PHP library during the parsing of untrusted input. Maliciously structured messages—specifically those containing negative varints or deep recursion—can be used to crash the application, impacting service availability.
Mitigation
Update Impact
Minimal update. May introduce new vulnerabilities or breaking changes.
Ecosystem | Component | Affected version | Patched versions |
|---|---|---|---|
 debian 12 | 3.21.12-3+deb12u1 | ||
debian 14 | 3.21.12-16 | ||
debian 13 | 3.21.12-11+deb13u1 | ||
 packagist | 4.33.6 |
Aliases
1. 2. 3. 4. 5. 6. 7.
References
1. 2. 3. 4. 5.