CRITICAL🚩 CISA KEV⚡ EXPLOIT🇵🇱 Wersja polska

CVE-2010-4344

CVSS 9.8v3.1pub. 2010-12-14upd. 2026-04-21

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 that includes two MAIL commands in conjunction with a large message containing crafted headers, leading to improper rejection logging.

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  • Canonical Ubuntu

    OS
    Canonical
    6.068.049.10

  • Debian

    OS
    Debian
    5.0

  • Exim

    APP
    Exim
    < 4.70

  • Opensuse

    OS
    Opensuse
    11.111.211.3

CISA KEV — detailsi

Vendori
Exim
Producti
Exim
Added to KEVi
March 25, 2022
Remediation deadline (US Federal)i
April 15, 2022(overdue)
Required action (CISA)i

Apply updates per vendor instructions.

CISA descriptioni

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.

🔴
IMMEDIATE ACTION
Actively exploited in the wild (CISA KEV). Patch immediately.
⏰CISA DEADLINE: 15 kwietnia 2022
Tags
RCEMemory
CWE
References

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