CVE-2023-5981
A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.
Published Nov 28, 2023 · updated Oct 14, 2026 · debian debian linux
A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.
Timeline
Detection, updates, and resolution for this record.
Nov 28, 2023 · NIST NVD
Detected
A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.
Oct 14, 2026 · NIST NVD
Updated
A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.
Affected
- cpe debian/debian linux10.0
- cpe fedoraproject/fedora37
- cpe fedoraproject/fedora38
- cpe gnu/gnutlsversion unspecified
- cpe redhat/linux8.0
- cpe redhat/linux9.0
Sources
- CVE.orgCVE-2023-5981
Official CVE identifier
cve.org - FIRST EPSSCVE-2023-5981
30-day exploitation probability 1.3%
first.org - NIST NVDCVE-2023-5981
A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.
nvd.nist.gov