KEV Entry

CVE-2023-4911

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2023-4911

2023-11-21 00:00 UTC

Timestamps

2023-11-21

2023-11-21

Scope

KEVIntel entry: Glibc: buffer overflow in ld.so leading to privilege escalation | Affected: , Red Hat / , Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.6 Extended Update Support, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.0 Extended Update Support, Red Hat Virtualization 4 for Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7 | CVSS: 7.8 (HIGH) | EPSS: 0.78607 | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2023-4911', 'url': 'https://www.cve.org/CVERecord?id=CVE-2023-4911'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2023-4911'}

ee9b5ea6-fd53-4a8e-a116-bb61810a426f

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-23 14:05 UTC

2026-06-23 14:05 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2023-11-21T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 7.8,
  "cvss_severity": "HIGH",
  "epss_percentile": 0.99533,
  "epss_score": 0.78607,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": false,
  "product": ", Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.6 Extended Update Support, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.0 Extended Update Support, Red Hat Virtualization 4 for Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7",
  "title": "Glibc: buffer overflow in ld.so leading to privilege escalation",
  "used_in_malware": "unknown",
  "vendor": ", Red Hat"
}
 -
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