CVE-2026-52916

CVE-2026-52916 affects the Linux kernel’s BATMAN-adv frag handling. A crafted BATADV_UNICAST_FRAG packet can defragment into another BATADV_UNICAST_FRAG, causing unbounded recursion in batadv_batman_skb_recv() and leading to kernel stack exhaustion. The published description specifies that refrag...

N.K. Hackers Employ Matryoshka Doll-Style Cascading Supply Chain Attack on 3CX

The supply chain attack targeting 3CX was the result of a prior supply chain compromise associated with a different company, demonstrating a new level of sophistication with North Korean threat actors. Google-owned Mandiant, which is tracking the attack event under the moniker UNC4736, said the...

Unkillable xHelper and a Trojan matryoshka

It was the middle of last year that we detected the start of mass attacks by the xHelper Trojan on Android smartphones, but even now the malware remains as active as ever. The main feature of xHelper is entrenchment — once it gets into the phone, it somehow remains there even after the user delet...

Experts Unveil Cyber Espionage Attacks by CopyKittens Hackers

Security researchers have discovered a new, massive cyber espionage campaign that mainly targets people working in government, defence and academic organisations in various countries. The campaign is being conducted by an Iran-linked threat group, whose activities, attack methods, and targets hav...