Is google/protobuf vulnerable?

Composer google/protobuf has 2 known advisories in the phpwarden feed. Feed 2026.10.29.1, updated 2026-10-28.

2advisories

0critical

0on CISA KEV

0no fix recorded

CVE	Title	Severity	CVSS	Affected	Fixed in
CVE-2015-5237	protobuf susceptible to buffer overflow	high	8.8	`<3.4.0`	`3.4.0`
CVE-2026-6409	Protobuf: Denial of Service issue through malicious messages containing negative varints or deep recursion	high	0.0	`<4.33.6`	`4.33.6`

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