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CVE-2026-40687

🗓️ 30 Apr 2026 00:00:00Reported by mitreType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 14 Views

Exim before 4.99.2 has out-of-bounds write or data leakage in spa authentication with adversarial resource.

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-40687
30 Apr 202600:00
attackerkb
AlpineLinux
CVE-2026-40687
30 Apr 202600:00
alpinelinux
Circl
CVE-2026-40687
30 Apr 202613:50
circl
CloudLinux
exim: Fix of CVE-2026-40687
5 May 202623:39
cloudlinux
CNNVD
Exim 安全漏洞
30 Apr 202600:00
cnnvd
Cvelist
CVE-2026-40687
30 Apr 202600:00
cvelist
Debian
[SECURITY] [DSA 6265-1] exim4 security update
12 May 202614:23
debian
Debian CVE
CVE-2026-40687
30 Apr 202600:00
debiancve
Tenable Nessus
Debian dsa-6265 : exim4 - security update
12 May 202600:00
nessus
Tenable Nessus
Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Exim vulnerabilities (USN-8228-1)
5 May 202600:00
nessus
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Node
eximeximRange<4.99.2
[
  {
    "defaultStatus": "unaffected",
    "product": "Exim",
    "vendor": "Exim",
    "versions": [
      {
        "lessThan": "4.99.2",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]

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01 May 2026 19:17Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.14.8 - 9.1
EPSS0.00182
SSVC
14