Protobuf
Vendor:
First CVE: Sep 25, 2017 · Active for 8 years
5
Total CVEs
More Total CVEs than 77% of tracked products
1.3
Avg CVEs / Year
Higher CVE frequency than 55% of tracked products
7.8
Avg CVSS
Higher Avg CVSS than 67% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Protobuf over time
Volume of CVEsAvg CVSS Base Score
First CVE
Sep 25, 2017
8 years ago
Most Recent CVE
Jan 23, 2026
182 days ago
CVE Severity & Scoring
Protobuf5 CVEs
20%
60%
20%
All CVEs352,231 CVEs
45%
40%
11%
MediumHighCritical
Attack Vector
Local1 (20.0%)
Network4 (80.0%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low5 (100.0%)
High0 (0.0%)
Unknown0 (0.0%)
User Interaction
None5 (100.0%)
Unknown0 (0.0%)
Required0 (0.0%)
Privileges Required
Low2 (40.0%)
High0 (0.0%)
None3 (60.0%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (5 CVEs).
5 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2026-0994HIGH A denial-of-service (DoS) vulnerability exists in google.protobuf.json_format.ParseDict() in Python, where the max_recursion_depth limit can be bypassed when parsing nested google. | Jan 23, 2026 | 7.5 | 32 | NO | NO |
CVE-2024-2410CRITICAL The JsonToBinaryStream() function is part of the protocol buffers C++ implementation and is used to parse JSON from a stream. If the input is broken up into separate chunks in a ce | May 3, 2024 | 9.8 | 29 | NO | NO |
CVE-2024-7254HIGH Any project that parses untrusted Protocol Buffers data containing an arbitrary number of nested groups / series of SGROUP tags can corrupted by exceeding the stack limit i.e. Stac | Sep 19, 2024 | 7.5 | 25 | NO | NO |
CVE-2015-5237HIGH protobuf allows remote authenticated attackers to cause a heap-based buffer overflow. | Sep 25, 2017 | 8.8 | 25 | NO | NO |
CVE-2021-22570MEDIUM Nullptr dereference when a null char is present in a proto symbol. The symbol is parsed incorrectly, leading to an unchecked call into the proto file's name during generation of th | Jan 26, 2022 | 5.5 | 22 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (5 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (5 CVEs).
Media Mentions
Signals from CVEs in this product scope (5 CVEs).
Top CNAs Publishing CVEs For Protobuf
Top CWEs
Versions
No cataloged versions.