Cbor2
Vendor:
First CVE: Feb 19, 2024 · Active for 2 years
4
Total CVEs
More Total CVEs than 75% of tracked products
1.3
Avg CVEs / Year
Higher CVE frequency than 59% of tracked products
7.5
Avg CVSS
Higher Avg CVSS than 52% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Cbor2 over time
Volume of CVEsAvg CVSS Base Score
First CVE
Feb 19, 2024
2 years ago
Most Recent CVE
Mar 23, 2026
127 days ago
CVE Severity & Scoring
Cbor24 CVEs
100%
All CVEs353,173 CVEs
45%
40%
11%
High
Attack Vector
Local0 (0.0%)
Network4 (100.0%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low4 (100.0%)
High0 (0.0%)
Unknown0 (0.0%)
User Interaction
None4 (100.0%)
Unknown0 (0.0%)
Required0 (0.0%)
Privileges Required
Low0 (0.0%)
High0 (0.0%)
None4 (100.0%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (4 CVEs).
4 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2025-68131HIGH cbor2 provides encoding and decoding for the Concise Binary Object Representation (CBOR) serialization format. Starting in version 3.0.0 and prior to version 5.8.0, whhen a CBORDec | Dec 31, 2025 | 7.5 | 26 | NO | NO |
CVE-2026-26209HIGH cbor2 provides encoding and decoding for the Concise Binary Object Representation (CBOR) serialization format. Versions prior to 5.9.0 are vulnerable to a Denial of Service (DoS) a | Mar 23, 2026 | 7.5 | 25 | NO | NO |
CVE-2025-64076HIGH Multiple vulnerabilities exist in cbor2 through version 5.7.0 in the decode_definite_long_string() function of the C extension decoder (source/decoder.c): (1) Integer Underflow Lea | Nov 18, 2025 | 7.5 | 24 | NO | NO |
CVE-2024-26134HIGH cbor2 provides encoding and decoding for the Concise Binary Object Representation (CBOR) (RFC 8949) serialization format. Starting in version 5.5.1 and prior to version 5.6.2, an a | Feb 19, 2024 | 7.5 | 22 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (4 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 (4 CVEs).
Media Mentions
Signals from CVEs in this product scope (4 CVEs).
Top CNAs Publishing CVEs For Cbor2
Top CWEs
Versions
No cataloged versions.