Packages
- protobuf - protocol buffers data serialization library
Details
USN-7435-1 and USN-7629-1 fixed vulnerabilities in Protocol Buffers
for several releases of Ubuntu. This update provides the corresponding
fixes for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS.
Original advisory details:
It was discovered that Protocol Buffers incorrectly handled memory when
receiving malicious input using the Python bindings. An attacker could
possibly use this issue to cause a denial of service. (CVE-2025-4565)
It was discovered that Protocol Buffers incorrectly handled memory when
receiving malicious input using the Java bindings. An attacker could
possibly use this issue to cause a denial of service. This issue only
affected Ubuntu 25.04. (CVE-2024-7254)
USN-7435-1 and USN-7629-1 fixed vulnerabilities in Protocol Buffers
for several releases of Ubuntu. This update provides the corresponding
fixes for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS.
Original advisory details:
It was discovered that Protocol Buffers incorrectly handled memory when
receiving malicious input using the Python bindings. An attacker could
possibly use this issue to cause a denial of service. (CVE-2025-4565)
It was discovered that Protocol Buffers incorrectly handled memory when
receiving malicious input using the Java bindings. An attacker could
possibly use this issue to cause a denial of service. This issue only
affected Ubuntu 25.04. (CVE-2024-7254)
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 20.04 focal | libprotobuf-java – 3.6.1.3-2ubuntu5.2+esm2 | ||
| python3-protobuf – 3.6.1.3-2ubuntu5.2+esm2 | |||
| 18.04 bionic | libprotobuf-java – 3.0.0-9.1ubuntu1.1+esm3 | ||
| python3-protobuf – 3.0.0-9.1ubuntu1.1+esm3 | |||
| 16.04 xenial | libprotobuf-java – 2.6.1-1.3ubuntu0.1~esm4 | ||
| python-protobuf – 2.6.1-1.3ubuntu0.1~esm4 | |||
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