54 matches found
CLEANSTART-2026-YG69298 After a HelloRetryRequest has been sent, the client may negotiate a lower protocol that TLS 1
CVE-2019-17023 affects multiple packages. After a HelloRetryRequest has been sent, the client may negotiate a lower protocol that TLS 1. See references for individual vulnerability details...
CVE-2026-59993
Picotls is a TLS protocol library that allows users select different crypto backends based on their use case. In affected revisions through 44bc503, when picotls is used as a client-side TLS stack, a peer can send a HelloRetryRequest followed by a spoofed Hello message that causes a null-pointer...
CVE-2026-59993 Picotls has NULL pointer dereference during handshake, when running as a client
Picotls is a TLS protocol library that allows users select different crypto backends based on their use case. In affected revisions through 44bc503, when picotls is used as a client-side TLS stack, a peer can send a HelloRetryRequest followed by a spoofed Hello message that causes a null-pointer...
EUVD-2026-114509
Picotls is a TLS protocol library that allows users select different crypto backends based on their use case. In affected revisions through 44bc503, when picotls is used as a client-side TLS stack, a peer can send a HelloRetryRequest followed by a spoofed Hello message that causes a null-pointer...
CVE-2026-59993 Picotls has NULL pointer dereference during handshake, when running as a client
Picotls is a TLS protocol library that allows users select different crypto backends based on their use case. In affected revisions through 44bc503, when picotls is used as a client-side TLS stack, a peer can send a HelloRetryRequest followed by a spoofed Hello message that causes a null-pointer...
CVE-2026-59993
The Picotls TLS protocol library is vulnerable to a null-pointer dereference in revisions through 44bc503 when utilized as a client-side TLS stack . An attacker can trigger this by sending a HelloRetryRequest followed by a spoofed Hello message , which can terminate the consuming process and resu...
CVE-2026-59993: h2o picotls: Picotls is a TLS protocol library that allows users select different crypto backends based on their use case
Picotls is a TLS protocol library that allows users select different crypto backends based on their use case. In affected revisions through 44bc503, when picotls is used as a client-side TLS stack, a peer can send a HelloRetryRequest followed by a spoofed Hello message that causes a null-pointer...
PT-2026-134218
Picotls is a TLS protocol library that allows users select different crypto backends based on their use case. In affected revisions through 44bc503, when picotls is used as a client-side TLS stack, a peer can send a HelloRetryRequest followed by a spoofed Hello message that causes a null-pointer...
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...
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...
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
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...
PT-2026-113956
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: Out-of-bounds Write
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...
