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CVE-2026-85091 zlib 1.3.1.2 through 1.3.2 Heap Buffer Overflow via gz_vacate

🗓️ 03 Sep 2026 01:04:44Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 47 Views

Heap buffer overflow in zlib 1.3.1.2-1.3.2 via gz_vacate with stale buffer pointers.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cgr
Chainguard
CVE-2026-85091 vulnerabilities
12 Sep 202608:54
cgr
circl
Circl
CVE-2026-85091
3 Sep 202603:39
circl
cve
CVE
CVE-2026-85091
3 Sep 202601:04
cve
debiancve
Debian CVE
CVE-2026-85091
3 Sep 202601:04
debiancve
euvd
EUVD
EUVD-2026-70301
3 Sep 202601:04
euvd
mscve
Microsoft CVE
zlib 1.3.1.2 through 1.3.2 Heap Buffer Overflow via gz_vacate
5 Sep 202608:25
mscve
nvd
NVD
CVE-2026-85091
3 Sep 202613:06
nvd
osv
OSV
AZL-99090 CVE-2026-85091 affecting package zlib 1.3.2-1
3 Sep 202613:06
osv
osv
OSV
AZL-99174 CVE-2026-85091 affecting package cloud-hypervisor 52.0.152-1
3 Sep 202613:06
osv
osv
OSV
AZL-99234 CVE-2026-85091 affecting package kata-containers 4.1.0.kata0-1
3 Sep 202613:06
osv
Rows per page
[
  {
    "vendor": "zlib",
    "product": "zlib",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:github/madler/zlib",
    "versions": [
      {
        "version": "1.3.1.2",
        "lessThanOrEqual": "1.3.2",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]

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03 Sep 2026 01:04Current
CVSS 3.17.4
CVSS 48.3
EPSS0.00442
47