{"slug": "xwayland-24-1-13-released-to-fix-two-more-security-issues-in-the-x-org-codebase", "title": "XWayland 24.1.13 Released To Fix Two More Security Issues In The X.Org Codebase", "summary": "XWayland 24.1.13 has been released to fix two security issues in the X.Org codebase, including a buffer overflow (CVE-2026-55999) and a use-after-free (CVE-2026-56000) discovered by Trend Micro Zero Day Initiative with assistance from Claude Opus 4.6. The vulnerabilities affect GLAMOR font code and GLX code paths, and X.Org Server 21.1.24 is expected soon with the same fixes.", "body_md": "# XWayland 24.1.13 Released To Fix Two More Security Issues In The X.Org Codebase\n\nTwo more security issues were made public today concerning the X.Org Server codebase and in turn XWayland also being affected.\n\nThe Trend Micro Zero Day Initiative continues to be relentless in uncovering new X.Org Server security vulnerabilities in recent years. Assisted by Claude Opus 4.6, these latest security woes are now resolved.\n\nPeter Hutterer of Red Hat just announced CVE-2026-55999 as a buffer overflow in the font code for GLAMOR as well as CVE-2026-56000 as a use-after-free in the GLX code path. More details on these latest X.Org code vulnerabilities can be found via today's\n\nIn turn\n\nThe Trend Micro Zero Day Initiative continues to be relentless in uncovering new X.Org Server security vulnerabilities in recent years. Assisted by Claude Opus 4.6, these latest security woes are now resolved.\n\nPeter Hutterer of Red Hat just announced CVE-2026-55999 as a buffer overflow in the font code for GLAMOR as well as CVE-2026-56000 as a use-after-free in the GLX code path. More details on these latest X.Org code vulnerabilities can be found via today's\n\n[disclosure](https://lists.x.org/archives/xorg-announce/2026-July/003716.html).In turn\n\n[XWayland 24.1.13](https://lists.x.org/archives/xorg/2026-July/062256.html)is now available with these fixes plus a few other fixes too. Not yet tagged but X.Org Server 21.1.24 is also expected soon with these security fixes.**Update:**", "url": "https://wpnews.pro/news/xwayland-24-1-13-released-to-fix-two-more-security-issues-in-the-x-org-codebase", "canonical_source": "https://www.phoronix.com/news/XWayland-24.1.13-Released", "published_at": "2026-07-08 01:44:06+00:00", "updated_at": "2026-07-08 02:01:22.666259+00:00", "lang": "en", "topics": ["ai-tools", "ai-safety"], "entities": ["XWayland", "X.Org", "Trend Micro Zero Day Initiative", "Claude Opus 4.6", "Red Hat", "Peter Hutterer", "GLAMOR", "GLX"], "alternates": {"html": "https://wpnews.pro/news/xwayland-24-1-13-released-to-fix-two-more-security-issues-in-the-x-org-codebase", "markdown": "https://wpnews.pro/news/xwayland-24-1-13-released-to-fix-two-more-security-issues-in-the-x-org-codebase.md", "text": "https://wpnews.pro/news/xwayland-24-1-13-released-to-fix-two-more-security-issues-in-the-x-org-codebase.txt", "jsonld": "https://wpnews.pro/news/xwayland-24-1-13-released-to-fix-two-more-security-issues-in-the-x-org-codebase.jsonld"}}