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CVE-2026-86143

🗓️ 05 Sep 2026 04:31:21Reported by mitreType 
cve
 cve
🔗 web.nvd.nist.gov👁 30 Views

Integer overflow in libxml2 xmlIO before 2.15.4 allows negative lengths in write callbacks.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-86143
5 Sep 202604:31
–alpinelinux
almalinux
AlmaLinux
Important: libxml2 security update
24 Sep 202600:00
–almalinux
almalinux
AlmaLinux
Important: libxml2 security update
24 Sep 202600:00
–almalinux
cbl_mariner
CBLMariner
CVE-2026-86143 affecting package libxml2 for versions less than 2.11.5-11
18 Sep 202614:58
–cbl_mariner
cvelist
Cvelist
CVE-2026-86143
5 Sep 202604:31
–cvelist
debiancve
Debian CVE
CVE-2026-86143
5 Sep 202604:31
–debiancve
oraclelinux
Oracle linux
libxml2 security update
24 Sep 202600:00
–oraclelinux
oraclelinux
Oracle linux
libxml2 security update
25 Sep 202600:00
–oraclelinux
oraclelinux
Oracle linux
libxml2 security update
25 Sep 202600:00
–oraclelinux
euvd
EUVD
EUVD-2026-71822
5 Sep 202604:31
–euvd
Rows per page
NVD
Vulners
CNA
Node
xmlsoftlibxml2Range<2.15.4
[
  {
    "defaultStatus": "unaffected",
    "product": "libxml2",
    "vendor": "xmlsoft",
    "versions": [
      {
        "lessThan": "2.15.4",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]

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15 Sep 2026 19:31Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.16.9 - 7.3
EPSS0.00185
SSVC
30