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Vulnerabilities / CVE-2010-4344

critical

CVE-2010-4344

exim: remote code execution flaw

Published Modified CWE 787
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Trivy's own label is CRITICAL. Rated critical by NVD, Red Hat, Oracle.

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

Affected packages and fixed versions

SourcePackageFixed in
Oracle Linux 5exim, exim-mon, exim-sa4.63-5.el5_5.2
debian 11exim44.70-1
debian 12exim44.70-1
debian 13exim44.70-1
debian 14exim44.70-1
echoexim44.70-1
Show all 8 entries from 6 sources
SourcePackageFixed in
Oracle Linux 5exim4.63-5.el5_5.2
Oracle Linux 5exim-mon4.63-5.el5_5.2
Oracle Linux 5exim-sa4.63-5.el5_5.2
debian 11exim44.70-1
debian 12exim44.70-1
debian 13exim44.70-1
debian 14exim44.70-1
echoexim44.70-1

References

All 40 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.