9.8

CVE-2025-67896

Exim before 4.99.1, with certain non-default rate-limit configurations, allows a remote heap-based buffer overflow because database records are cast directly to internal structures without validation.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Exim ≫ Exim Version < 4.99.1
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.4% 0.32
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
cve@mitre.org 7 2.2 4.7
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L
CWE-122 Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

https://www.openwall.com/lists/oss-security/2025/12/11/2
Mailing List
https://exim.org/static/doc/security/
Vendor Advisory
http://www.openwall.com/lists/oss-security/2025/12/14/1
Mailing List
https://exim.org/static/doc/security/EXIM-Security-2025-12-09.1/report.txt
Vendor Advisory
http://www.openwall.com/lists/oss-security/2025/12/18/3
Mailing List