CVE-2024-0553 | A vulnerability was found in GnuTLS. The response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from the response times of ciphertexts with correct PKCS#1 v1.5 padding. This issue may allow a remote attacker to perform a timing side-channel attack in the RSA-PSK key exchange, potentially leading to the leakage of sensitive data. CVE-2024-0553 is designated as an incomplete resolution for CVE-2023-5981.
A vulnerability was found in GnuTLS. The response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from the response times of ciphertexts with correct PKCS#1 v1.5 padding. This issue may allow a remote attacker to perform a timing side-channel attack in the RSA-PSK key exchange, potentially leading to the leakage of sensitive data. CVE-2024-0553 is designated as an incomplete resolution for CVE-2023-5981.
- 🔗 access.redhat.com/errata/RHSA-2024:0533
- 🔗 access.redhat.com/errata/RHSA-2024:0627
- 🔗 access.redhat.com/errata/RHSA-2024:0796
- 🔗 access.redhat.com/errata/RHSA-2024:1082
- 🔗 access.redhat.com/errata/RHSA-2024:1108
- 🔗 access.redhat.com/errata/RHSA-2024:1383
- 🔗 access.redhat.com/errata/RHSA-2024:2094
- 🔗 access.redhat.com/security/cve/CVE-2024-0553
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📊 Historien-Charts — Criticals-Trend · Vendors · EPSS-Verteilung
| Tier | 2026-08-31 | 2026-09-19 |
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| ≥10 % | 0 | 17 |
| <10 % | 300 | 56400 |
CVE-2024-0553 | A vulnerability was found in GnuTLS. The response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from the response times of ciphertexts with correct PKCS#1 v1.5 padding. This issue may allow a remote attacker to perform a timing side-channel attack in the RSA-PSK key exchange, potentially leading to the leakage of sensitive data. CVE-2024-0553 is designated as an incomplete resolution for CVE-2023-5981.
A vulnerability was found in GnuTLS. The response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from the response times of ciphertexts with correct PKCS#1 v1.5 padding. This issue may allow a remote attacker to perform