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CVE-2026-88806

🗓️ 21 Sep 2026 13:42:12Reported by suseType 
cve
 cve
🔗 web.nvd.nist.gov👁 11 Views

Heap-based buffer overflow in libX11 before 1.8.14 in XkbGetMap via malicious X server.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-88806 libX11 XkbGetMap Reply Heap-based Buffer Overflow
21 Sep 202613:42
cvelist
debiancve
Debian CVE
CVE-2026-88806
21 Sep 202613:42
debiancve
euvd
EUVD
EUVD-2026-83914
21 Sep 202613:42
euvd
mscve
Microsoft CVE
libX11 XkbGetMap Reply Heap-based Buffer Overflow
22 Sep 202608:01
mscve
nvd
NVD
CVE-2026-88806
21 Sep 202614:17
nvd
osv
OSV
AZL-103388 CVE-2026-88806 affecting package libX11 1.8.7-1
21 Sep 202614:17
osv
osv
OSV
DEBIAN-CVE-2026-88806
21 Sep 202614:17
osv
osv
OSV
ECHO-4EE4-286E-3447
22 Sep 202619:08
osv
osv
OSV
OPENSUSE-SU-2026:11833-1 libX11-6-1.8.13-2.1 on GA media
21 Sep 202600:00
osv
osv
OSV
UBUNTU-CVE-2026-88806
22 Sep 202600:00
osv
Rows per page
CNA
Node
x.orglibx11Range01.8.14
[
  {
    "vendor": "x.org",
    "product": "libX11",
    "packageName": "libX11",
    "repo": "https://gitlab.freedesktop.org/xorg/lib/libx11",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.8.14",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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22 Sep 2026 19:40Current
CVSS 3.17.5
SSVC
11