Panic when parsing invalid messages in google.golang.org/protobuf
Priority MEDIUM 41CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-125 and the CVSS impact.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01089 65th percentileScored 2026-11-07
Fix Fixed google.golang.org/protobuf/encoding/prototext (google.golang.org/protobuf): 1.29.1google.golang.org/protobuf/internal/encoding/text (google.golang.org/protobuf): 1.29.1+1 more product
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| google.golang.org/protobuf | google.golang.org/protobuf/encoding/prototext | 1.29.0 to before 1.29.1 | 1.29.1 | Patch available | CNA |
| google.golang.org/protobuf | google.golang.org/protobuf/internal/encoding/text | 1.29.0 to before 1.29.1 | 1.29.1 | Patch available | CNA |
| — | google.golang.org/protobuf (Go) | 1.29.0 to before 1.29.1 | 1.29.1 | Patch available | GHSA-hw7c-3rfg-p46j |
- google.golang.org/protobuf/encoding/prototext Vendorgoogle.golang.org/protobuf Affected 1.29.0 to before 1.29.1 Fixed in 1.29.1 Patch available CNA
- google.golang.org/protobuf/internal/encoding/text Vendorgoogle.golang.org/protobuf Affected 1.29.0 to before 1.29.1 Fixed in 1.29.1 Patch available CNA
- google.golang.org/protobuf (Go) Vendor— Affected 1.29.0 to before 1.29.1 Fixed in 1.29.1 Patch available GHSA-hw7c-3rfg-p46j
Remediation
- Fix · CNA google.golang.org/protobuf/encoding/prototext (google.golang.org/protobuf) Fixed in 1.29.1
- Fix · CNA google.golang.org/protobuf/internal/encoding/text (google.golang.org/protobuf) Fixed in 1.29.1
- Fix · GHSA-hw7c-3rfg-p46j google.golang.org/protobuf (Go) Fixed in 1.29.1 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 8 products
- Cost Management Metrics Operator
- Cryostat 2
- OpenShift Serverless
- Red Hat 3scale API Management Platform 2
- Red Hat Advanced Cluster Management for Kubernetes 2
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2023-24535
- 2026-10-03 Alias added: GHSA-hw7c-3rfg-p46j
References
More google.golang.org/protobuf vulnerabilities
- TI-2024-16303 Infinite loop in JSON unmarshaling in google.golang.org/protobuf CVSS 3.1HIGH 7.5
Sources
- CVE-2023-24535 · CVE Program
- CVE-2023-24535 · NVD
- FIRST EPSS
- GHSA-hw7c-3rfg-p46j · GitHub Advisory Database · CC BY 4.0
- CVE-2023-24535 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences