Tlsfuzzer Ecdsa vulnerabilities
4 known vulnerabilities affecting tlsfuzzer/ecdsa.
Total CVEs
4
CISA KEV
0
Public exploits
0
Exploited in wild
0
Severity breakdown
CRITICAL1HIGH2MEDIUM1
Vulnerabilities
Page 1 of 1
CVE-2026-33936MEDIUMCVSS 5.3fixed in 0.19.22026-03-27
CVE-2026-33936 [MEDIUM] CWE-20 CVE-2026-33936: The `ecdsa` PyPI package is a pure Python implementation of ECC (Elliptic Curve Cryptography) with s
The `ecdsa` PyPI package is a pure Python implementation of ECC (Elliptic Curve Cryptography) with support for ECDSA (Elliptic Curve Digital Signature Algorithm), EdDSA (Edwards-curve Digital Signature Algorithm) and ECDH (Elliptic Curve Diffie-Hellman). Prior to version 0.19.2, an issue in the low-level DER parsing functions can cause unexpected exc
ghsanvdosv
CVE-2024-23342HIGHCVSS 7.4≤ 0.18.02024-01-23
CVE-2024-23342 [HIGH] CWE-203 CVE-2024-23342: The `ecdsa` PyPI package is a pure Python implementation of ECC (Elliptic Curve Cryptography) with s
The `ecdsa` PyPI package is a pure Python implementation of ECC (Elliptic Curve Cryptography) with support for ECDSA (Elliptic Curve Digital Signature Algorithm), EdDSA (Edwards-curve Digital Signature Algorithm) and ECDH (Elliptic Curve Diffie-Hellman). Versions 0.18.0 and prior are vulnerable to the Minerva attack. As of time of publication, no know
nvd
CVE-2019-14859CRITICAL≥ 0, < 0.13.32020-04-01
CVE-2019-14859 [CRITICAL] CWE-347 Improper Verification of Cryptographic Signature in Pure-Python ECDSA
Improper Verification of Cryptographic Signature in Pure-Python ECDSA
A flaw was found in all python-ecdsa versions before 0.13.3, where it did not correctly verify whether signatures used DER encoding. Without this verification, a malformed signature could be accepted, making the signature malleable. Without proper verification, an attacker could use a malleable signature to create false tra
ghsaosv
CVE-2019-14853HIGH≥ 0, < 0.13.32019-10-08
CVE-2019-14853 [HIGH] CWE-391 ecdsa Denial of Service vulnerability in signature verification and signature malleability
ecdsa Denial of Service vulnerability in signature verification and signature malleability
## possible DoS in signature verification and signature malleability
### Impact
Code using `VerifyingKey.verify()` and `VerifyingKey.verify_digest()` may receive exceptions other than the documented `BadSignatureError` when signatures are malformed. If those other exceptions are not ca
ghsaosv