X.Org Server libX11 XkbGetMap Reply Heap-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of X.Org Server. User interaction is required to exploit this vulnerability in that the target must connect to a malicious X11 server. The ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2026-88806.
Read at Zero Day Initiative published advisories
- Product
- X.Org
- CVSS
- 8.8
- Exposure class
- Operating system
Why it ranks 36 (Notable)
- CVSS 8.8 high
- Product class: operating system
- Covered by 2 independent sources
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- Zero Day Initiative published advisories (zerodayinitiative.com)
- CVE-2026-88806 on this site · NVD · CVE.org · Vulnpedia
Related coverage
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