CVE-2026-88807High· 8.9▾ TwilightA heap overflow in libXrender before 0.9.13 in RenderQueryPictFormats could be used by malicious X servers to inject code into attached X clients.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 49 · likelihood 0.1 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.3%
A heap overflow in libXrender before 0.9.13 in RenderQueryPictFormats could be used by malicious X servers to inject code into attached X clients.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-88806High· 7.5A malicious X server could exploit a buffer overflow in libX11 before 1.8.14 during handling of XkbGetMap overflowing the key_sym_map.
CVE-2026-25243High· 8.8Redis is an in-memory data structure store
CVE-2025-15059High· 7.8GIMP PSP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
CVE-2026-23534Critical· 9.8FreeRDP is a free implementation of the Remote Desktop Protocol
CVE-2026-23533Critical· 9.8FreeRDP is a free implementation of the Remote Desktop Protocol
CVE-2026-23532Critical· 9.8FreeRDP is a free implementation of the Remote Desktop Protocol