Heap-based buffer overflow in Okular - #VU130989
Published: May 11, 2026
Okular
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in fax backend. A remote attacker can trick a victim to open a specially crafted fax file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.