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CVE-2026-91786 Gnome-shell: gnome-shell: out-of-bounds read in remote search icon rendering due to unvalidated icon-data buffer size

🗓️ 15 Sep 2026 11:00:53Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

A flaw was found in GNOME Shell. When processing icons from a remote search provider via D-Bus, the system fails to validate the icon's declared dimensions against the actual data buffer size. A malicious or compromised remote search provider coul...

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Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-91786
15 Sep 202611:00
cve
euvd
EUVD
EUVD-2026-78417
15 Sep 202611:00
euvd
nvd
NVD
CVE-2026-91786
15 Sep 202611:17
nvd
ptsecurity
Positive Technologies
PT-2026-91926
15 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-91786
15 Sep 202611:00
redhatcve
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-91786
15 Sep 202600:00
nessus
vulnrichment
Vulnrichment
CVE-2026-91786 Gnome-shell: gnome-shell: out-of-bounds read in remote search icon rendering due to unvalidated icon-data buffer size
15 Sep 202611:00
vulnrichment
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "gnome-shell",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "gnome-shell",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "gnome-shell",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "gnome-shell",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  }
]

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15 Sep 2026 11:00Current
CVSS 3.16.1
11