What’s Vulnerable › Vulnerabilities

CVE-2023-24535: Panic when parsing invalid messages in google.golang.org/protobuf

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-08 · updated 2026-06-17
• Weakness: CWE-125

Description

Parsing invalid messages can panic. Parsing a text-format message which contains a potential number consisting of a minus sign, one or more characters of whitespace, and no further input will cause a panic.

Affected products

• Protobuf: 1.29.0

References

• https://github.com/golang/protobuf/issues/1530
• https://go.dev/cl/475995
• https://pkg.go.dev/vuln/GO-2023-1631
• https://github.com/golang/protobuf/issues/1530
• https://go.dev/cl/475995
• https://pkg.go.dev/vuln/GO-2023-1631

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