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CVE-2026-76956

🗓️ 20 Aug 2026 04:22:51Reported by mitreType 
cvelist
 cvelist
🔗 www.cve.org👁 53 Views

libexpat 2.8.2-2.8.3 misinterprets getentropy return code, enabling hash flooding DoS via crafted XML.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-76956
20 Aug 202604:22
–alpinelinux
cbl_mariner
CBLMariner
CVE-2026-76956 affecting package expat for versions less than 2.8.3-2
25 Aug 202623:52
–cbl_mariner
circl
Circl
CVE-2026-76956
20 Aug 202607:01
–circl
cve
CVE
CVE-2026-76956
20 Aug 202604:22
–cve
debian
Debian
[SECURITY] [DSA 6566-1] expat security update
16 Oct 202606:14
–debian
debiancve
Debian CVE
CVE-2026-76956
20 Aug 202604:22
–debiancve
nessus
Tenable Nessus
Debian dsa-6566 : expat - security update
16 Oct 202600:00
–nessus
nessus
Tenable Nessus
Fedora 43 : mingw-expat (2026-4a2ee61320)
12 Sep 202600:00
–nessus
nessus
Tenable Nessus
Fedora 44 : mingw-expat (2026-5660612c34)
12 Sep 202600:00
–nessus
nessus
Tenable Nessus
Fedora 45 : mingw-expat (2026-9e9244744d)
11 Sep 202600:00
–nessus
Rows per page
[
  {
    "defaultStatus": "unaffected",
    "product": "libexpat",
    "vendor": "libexpat project",
    "versions": [
      {
        "lessThan": "2.8.4",
        "status": "affected",
        "version": "2.8.2",
        "versionType": "semver"
      }
    ]
  }
]

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20 Aug 2026 17:42Current
CVSS 3.15.9
EPSS0.00287
SSVC
53