EUVD-2023-55494

Malicious code in bioql PyPI...

TLS Downgrade Attack

github.com/refraction-networking/utls is vulnerable to TLS Downgrade Attack. The vulnerability is due to missing downgrade protection caused due to failure to implement and verify the downgrade canary in TLS 1.3 handshakes when using a custom ClientHello spec, allowing an attacker to force a...

GO-2025-3638 ServerHellos are accepted without checking TLS 1.3 downgrade canaries in github.com/refraction-networking/utls

Before version 1.7.0, utls did not implement the TLS 1.3 downgrade protection mechanism specified in RFC 8446 Section 4.1.3 when using a utls ClientHello spec. This allowed an active network adversary to downgrade TLS 1.3 connections initiated by a utls client to a lower TLS version e.g., TLS 1.2...

GHSA-PMC3-P9HX-JQ96 uTLS ServerHellos are accepted without checking TLS 1.3 downgrade canaries

Description Before version 1.7.0, utls did not implement the TLS 1.3 downgrade protection mechanism specified in RFC 8446 Section 4.1.3 when using a utls ClientHello spec. This allowed an active network adversary to downgrade TLS 1.3 connections initiated by a utls client to a lower TLS version...

uTLS ServerHellos are accepted without checking TLS 1.3 downgrade canaries

Description Before version 1.7.0, utls did not implement the TLS 1.3 downgrade protection mechanism specified in RFC 8446 Section 4.1.3 when using a utls ClientHello spec. This allowed an active network adversary to downgrade TLS 1.3 connections initiated by a utls client to a lower TLS version...

PT-2025-54829

Name of the Vulnerable Software and Affected Versions utls versions prior to 1.7.0 Description The utls software did not implement the TLS 1.3 downgrade protection mechanism as specified in RFC 8446 Section 4.1.3 when a utls ClientHello specification was used. This allowed a network attacker to...

CVE-2023-50738 A firmware downgrade prevention vulnerability has been identified in newer Lexmark devices.

A new feature to prevent Firmware downgrades was recently added to some Lexmark products. A method to override this downgrade protection has been identified...

CVE-2023-50738 A firmware downgrade prevention vulnerability has been identified in newer Lexmark devices.

A new feature to prevent Firmware downgrades was recently added to some Lexmark products. A method to override this downgrade protection has been identified...

PT-2024-13962 · Lexmark · Lexmark Cx331Adwe

Name of the Vulnerable Software and Affected Versions: Lexmark CX331adwe affected versions not specified Description: A method to override the firmware downgrade protection has been identified in some Lexmark products. This issue allows for a bypass of the downgrade protection feature that was...

openSUSE Security Update : flatpak / libostree / xdg-desktop-portal / etc (openSUSE-2021-520)

This update for flatpak, libostree, xdg-desktop-portal, xdg-desktop-portal-gtk fixes the following issues : libostree : Update to version 2020.8 - Enable LTO. bsc1133120 - This update contains scalability improvements and bugfixes. - Caching-related HTTP headers are now supported on summaries and...