CVE-2010-4344CISA KEVEPSS p99.3%

CVE-2010-4344Exim Heap-Based Buffer Overflow Vulnerability

Exim / Exim

Description

Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session.

Scoring

EPSS71.79% probability of exploitation · percentile 99.3% · 2026-06-18T12:00:27Z

CISA KEV entry

Added to KEV: 2022-03-25

(incoming)1

TypeTargetConfidenceTier
KEVEntryExim Heap-Based Buffer Overflow Vulnerabilitykev-cve-2010-43440%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
CVE-2025-67896
CVE
Exim Buffer Overflow Vulnerability
CVE
Exim Privilege Escalation Vulnerability
CVE
CVE-2026-48840
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Exim Out-of-bounds Write Vulnerability
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Exim Mail Transfer Agent (MTA) Improper Input Validation
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.