CVE-2026-34963

barebox version prior to 2026.04.0 contains multiple memory-safety vulnerabilities in the EFI PE loader in efi/loader/pe.c where integer overflow in virtual image size computation using 32-bit arithmetic on section VirtualAddress and size values allows undersized heap allocation, and PE section...

Polyshell - A Bash/Batch/PowerShell Polyglot!

PolyShell is a script that's simultaneously valid in Bash, Windows Batch, and PowerShell i.e. a polyglot. This makes PolyShell a useful template for penetration testing as it can be executed on most systems without the need for target-specific payloads. PolyShell is also specifically designed to ...

Dark Tequila Banking Malware Uncovered After 5 Years of Activity

Security researchers at Kaspersky Labs have uncovered a new, complex malware campaign that has been targeting customers of several Mexican banking institutions since at least 2013. Dubbed Dark Tequila , the campaign delivers an advanced keylogger malware that managed to stay under the radar for...