Known vulnerabilities in pyopenssl

Vendor: Python Cryptographic Authority
Software: pyopenssl
Software CPE: cpe:2.3:a:python_cryptographic_authority:pyopenssl:*:*:*:*:*:*:*:*
Website: https://github.com/pyca
Total vulnerabilities: 4
Public exploits: 0
Known exploited (KEV): 0
Highest CVSSv4 Score: 9.3

Breakdown by Severity Chart

Severity distribution of vulnerabilities affecting pyopenssl pyopenssl is affected by 4 known vulnerabilities: 2 high, 1 medium, 1 low Critical High Medium Low

Vulnerabilities (4)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU144224 - Improper Handling of Exceptional Conditions
CVE-2026-27448		 CWE-755 Medium
No
No
 26.0.0 18.08.2026 SB2026081870
SB2026081877
SB2026081878
and 20 more
#VU144104 - Buffer overflow
CVE-2026-27459		 CWE-120 High
No
No
 26.1.0 18.08.2026 SB2026081845
SB2026081847
SB2026081877
and 15 more
#VU15784 - Use After Free
CVE-2018-1000807		 CWE-416 High
No
No
 17.5 09.11.2018 SB2017102904
SB2019040212
SB2019011615
and 3 more
#VU15783 - Resource exhaustion
CVE-2018-1000808		 CWE-400 Low
No
No
 17.5 08.11.2018 SB2017102904
SB2019040212
SB2019011615
and 2 more