9.3 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.931 High
EPSS
Percentile
99.1%
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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | exim4 | < 4.70-1 | exim4_4.70-1_all.deb |
Debian | 11 | all | exim4 | < 4.70-1 | exim4_4.70-1_all.deb |
Debian | 10 | all | exim4 | < 4.70-1 | exim4_4.70-1_all.deb |
Debian | 999 | all | exim4 | < 4.70-1 | exim4_4.70-1_all.deb |
Debian | 13 | all | exim4 | < 4.70-1 | exim4_4.70-1_all.deb |