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EUVD-2026-42202

🗓️ 08 Jul 2026 07:36:15Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 3 Views

Local attacker with an X connection can trigger heap use after free in xorg-server before 21.2.24 and xwayland before 24.1.13.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-56000
8 Jul 202607:36
attackerkb
AlpineLinux
CVE-2026-56000
8 Jul 202607:36
alpinelinux
CVE
CVE-2026-56000
8 Jul 202607:36
cve
Cvelist
CVE-2026-56000 xorg-x11-server / xwayland GLX contextTags Use-After-Free in CommonMakeCurrent()
8 Jul 202607:36
cvelist
Debian CVE
CVE-2026-56000
1 Jan 197600:00
debiancve
NVD
CVE-2026-56000
8 Jul 202609:16
nvd
Positive Technologies
PT-2026-56335
8 Jul 202600:00
ptsecurity
[
  {
    "enisaIdVendor": [
      {
        "id": "e38ac4ca-1863-3fef-bb4d-c6d3d9ca3f64",
        "vendor": {
          "name": "X.org"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "281eea00-fc2f-3488-a143-6a62bf20917f",
        "product": {
          "name": "xorg-x11-server",
          "vendor": {
            "name": "The Xorg Project"
          }
        },
        "product_version": "0 <21.1.24"
      },
      {
        "id": "ac18c8a9-47fe-340f-9534-5f85a5f7649f",
        "product": {
          "name": "xwayland",
          "vendor": {
            "name": "X.org"
          }
        },
        "product_version": "0 <24.1.13"
      }
    ]
  }
]

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08 Jul 2026 08:12Current
6Medium risk
Vulners AI Score6
CVSS 49
3