- Description
- Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing.
- Source
- cve@mitre.org
- NVD status
- Analyzed
- Products
- exim
CVSS 3.1
- Type
- Primary
- Base score
- 5.3
- Impact score
- 1.4
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Severity
- MEDIUM
- cve@mitre.org
- CWE-93
- Hype score
- Not currently trending
🚨 Exim'de 4 güvenlik açığının da yamalandığı 4.100.1 sürümü yayınlandı. • CVE-2026-94054 — Proxy Protocol v1 OOB Write / Heap Corruption — High • CVE-2026-94055 — GnuTLS Use-after-Free — Low • CVE-2026-94056 — Proxy Protocol v2 Stack Memory Leak
@ridvanyagli
22 Sept 2026
212 Impressions
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New critical vulns: MongoDB C Driver TLS heap overflow (CVE-2026-93393) & Exim SMTP smuggling (CVE-2026-94057+) emerge in last 2 hrs. Both severely risk data privacy/integrity in transit. Patch NOW! #Cybersecurity #Vulnerabilities #TLS
@YourAnon_irc
20 Sept 2026
45 Impressions
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[
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*",
"matchCriteriaId": "83DCE90D-CF2B-4EDB-B759-44FE08394AC8",
"versionEndExcluding": "4.100.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
]