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CVE-2018-6345

🗓️ 15 Jan 2019 22:00:00Reported by facebookType 
cve
 cve
🔗 web.nvd.nist.gov👁 96 Views

The function number_format is vulnerable to a heap overflow issue when the second argument is excessively large. Affects all supported versions of HHVM (3.30.1 and 3.27.5 and below)

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cnvd
CNVD
Facebook HHVM Buffer Overflow Vulnerability (CNVD-2019-02528)
17 Jan 201900:00
–cnvd
cvelist
Cvelist
CVE-2018-6345
15 Jan 201922:00
–cvelist
euvd
EUVD
EUVD-2018-18103
7 Oct 202500:30
–euvd
mend
Mend
CVE-2018-6345
15 Jan 201922:00
–mend
nvd
NVD
CVE-2018-6345
15 Jan 201922:29
–nvd
osv
OSV
UBUNTU-CVE-2018-6345
15 Jan 201922:29
–osv
prion
Prion
Heap overflow
15 Jan 201922:29
–prion
ptsecurity
Positive Technologies
PT-2019-11020
15 Jan 201900:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2018-6345: Heap-based Buffer Overflow
15 Jan 201900:00
–rapid7
ubuntucve
UbuntuCve
CVE-2018-6345
15 Jan 201922:29
–ubuntucve
Rows per page
NVD
Node
OR
facebookhhvmRange≤3.27.5
facebookhhvmRange3.28.0–3.30.1
[
  {
    "product": "HHVM",
    "vendor": "Facebook",
    "versions": [
      {
        "status": "affected",
        "version": "3.30.2"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "3.30.0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "3.27.6"
      },
      {
        "lessThan": "3.27.6",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

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17 Jun 2026 02:01Current
9.5Critical risk
Vulners AI Score9.5
CVSS 27.5
CVSS 3.19.8
EPSS0.01748
96