GHSA-4VQV-7265-GM2W pypdf has possible large memory usage for exceptions in strict mode

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires loading an invalid dictionary. Patches This has been fixed in pypdf==6.21.3. Workarounds If you cannot upgrade yet, consider applying the changes from PR 4265...

pypdf has possible large memory usage for exceptions in strict mode

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires loading an invalid dictionary. Patches This has been fixed in pypdf==6.21.3. Workarounds If you cannot upgrade yet, consider applying the changes from PR 4265...

CVE-2026-98636

A flaw was found in the SquashFS file system implementation in the Linux kernel. A local user could exploit this vulnerability by mounting a specially crafted SquashFS image with an invalid dictionary size. Processing this image triggers an invalid shift operation, leading to a kernel crash and...