Tag: heap over-read

Critical CVEs

libssh2 SFTP Heap Over-read CVE-2025-15661

CVE-2025-15661 is an SFTP heap over-read vulnerability in libssh2 with a CVSS 8.3 score.

CVE-2025-15661 heap over-read libssh2 SFTP

June 29, 2026

Critical CVEs

29-Year-Old Squid Proxy Bug ‘Squidbleed’ Leaks Cleartext HTTP Requests

A critical heap over-read vulnerability in the Squid web proxy, dubbed 'Squidbleed' (CVE-2026-47729), can leak cleartext HTTP requests—including credentials and session tokens—to…

Anthropic Calif.io Claude Mythos Preview credential leak

June 25, 2026