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CVE-2026-6653 libxml2: Use after free in xmlParseInternalSubset via improper entity resolution handling

🗓️ 22 Jun 2026 12:40:31Reported by canonicalType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Use after free in libxml2 due to improper entity resolution in xmlParseInternalSubset, enabling denial of service.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-6653
22 Jun 202612:40
attackerkb
Circl
CVE-2026-6653
22 Jun 202616:30
circl
CVE
CVE-2026-6653
22 Jun 202612:40
cve
Debian CVE
CVE-2026-6653
22 Jun 202612:40
debiancve
EUVD
EUVD-2026-38232
22 Jun 202612:40
euvd
NVD
CVE-2026-6653
22 Jun 202614:17
nvd
OSV
DEBIAN-CVE-2026-6653
22 Jun 202614:17
osv
OSV
UBUNTU-CVE-2026-6653
22 Jun 202600:00
osv
Positive Technologies
PT-2026-51315
22 Jun 202600:00
ptsecurity
Vulnrichment
CVE-2026-6653 libxml2: Use after free in xmlParseInternalSubset via improper entity resolution handling
22 Jun 202612:40
vulnrichment
Rows per page
[
  {
    "vendor": "GNOME",
    "product": "libxml2",
    "packageName": "libxml2",
    "repo": "https://gitlab.gnome.org/GNOME/libxml2",
    "versions": [
      {
        "status": "affected",
        "version": "2.9.11",
        "lessThan": "2.11.0",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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