CVE-2026-103415

When a TLS 1.3 client processes a HelloRetryRequest, it copies the server's cookie into its second ClientHello without checking that the cookie fits in the outgoing packet. Both the length and the contents of that cookie come from the peer, and the write happens before certificate authentication...

EUVD-2026-101501

When a TLS 1.3 client processes a HelloRetryRequest, it copies the server's cookie into its second ClientHello without checking that the cookie fits in the outgoing packet. Both the length and the contents of that cookie come from the peer, and the write happens before certificate authentication...

CVE-2026-103415

The TLS 1.3 client path is vulnerable to an out-of-bounds write (CWE-787) when processing a HelloRetryRequest . The client fails to verify if the server-provided cookie fits within the outgoing packet's buffer. Because both the length and content of the cookie are provided by the peer and the wri...

CVE-2026-103415

When a TLS 1.3 client processes a HelloRetryRequest, it copies the server's cookie into its second ClientHello without checking that the cookie fits in the outgoing packet. Both the length and the contents of that cookie come from the peer, and the write happens before certificate authentication...

CVE-2026-103415

When a TLS 1.3 client processes a HelloRetryRequest, it copies the server's cookie into its second ClientHello without checking that the cookie fits in the outgoing packet. Both the length and the contents of that cookie come from the peer, and the write happens before certificate authentication...

openSUSE 16: libeverest / libeverest-x86-64-v3 / libmbedcrypto16 / etc (openSUSE-SU-2026:21865-1)

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:21865-1 advisory. Changes in mbedtls: - Update to version 3.6.7: CVE-2026-25832: TLS 1.3 client accepted HRR selecting unadvertised group boo1280186 Fix TLS 1.3 clients t...

OPENSUSE-SU-2026:21865-1 Security update for mbedtls

This update for mbedtls fixes the following issues: Changes in mbedtls: - Update to version 3.6.7: CVE-2026-25832: TLS 1.3 client accepted HRR selecting unadvertised group boo1280186 Fix TLS 1.3 clients to reject a HelloRetryRequest whose selected group was not advertised in the original ClientHe...

SUSE CVE-2026-25832

In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised group...

CVE-2026-25832

A flaw was found in Mbed TLS. The Transport Layer Security TLS 1.3 client accepts a HelloRetryRequest that selects a cryptographic group not advertised by the client. This vulnerability could allow a remote attacker to cause a low integrity impact. Mitigation Mitigation for this issue is either n...

AZL-103380 CVE-2026-25832 affecting package nodejs 24.20.0-1

In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised group...

CVE-2026-25832

In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised group...

ALPINE-CVE-2026-25832

In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised group...

CVE-2026-25832

In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised group...

CVE-2026-25832

In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2 , the TLS 1.3 client accepts a HelloRetryRequest that selects a group the client did not advertise, potentially allowing a man-in-the-middle to force a weaker or unintended key exchange group. The CVSS 3.1 score is 3.7 (Low) with high attack c...

CVE-2026-25832: Incorrect Resource Transfer Between Spheres

In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised group...

CVE-2026-25832

In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised group...

EUVD-2026-77305

In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised group...

CVE-2026-25832

In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised group...

SUSE CVE-2026-16318

The QUIC transport parameters extension handler in s2n-tls incorrectly uses s2nalloc instead of s2nrealloc to store the peer's transport parameters. When a TLS 1.3 connection goes through a HelloRetryRequest, the handler is called twice on the same connection. On the second call, s2nalloc zeroes...

CVE-2026-16318

The QUIC transport parameters extension handler in s2n-tls incorrectly uses s2nalloc instead of s2nrealloc to store the peer's transport parameters. When a TLS 1.3 connection goes through a HelloRetryRequest, the handler is called twice on the same connection. On the second call, s2nalloc zeroes...