CVE-2022-48468

Publication date 13 April 2023

Last updated 29 July 2025

Ubuntu priority

Cvss 3 Severity Score

protobuf-c before 1.4.1 has an unsigned integer overflow in parse_required_member.

Show unmaintained releases

Package	Ubuntu Release	Status
protobuf-c	26.04 LTS resolute	Not affected
	25.10 questing	Not affected
	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.10 kinetic	Not affected
	22.04 LTS jammy	Needs evaluation
	20.04 LTS focal	Needs evaluation
	18.04 LTS bionic	Needs evaluation
	16.04 LTS xenial	Ignored end of standard support
	14.04 LTS trusty	Needs evaluation

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
protobuf-c	Upstream: 289f5c1 Upstream: 0d1fd12

CVSS version: CVSS v3.0

Base score 5.5 · Medium

Base metrics

Scores

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H