Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2010-4344 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CNA: CISA-ADPCVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-4344	CISA-ADP	US Government Resource
ftp://ftp.exim.org/pub/exim/ChangeLogs/ChangeLog-4.70	CVE	Broken Link
http://atmail.com/blog/2010/atmail-6204-now-available/	CVE	Broken Link
http://bugs.exim.org/show_bug.cgi?id=787	CVE	Issue TrackingPatch
http://git.exim.org/exim.git/commit/24c929a27415c7cfc7126c47e4cad39acf3efa6b	CVE	Mailing ListPatch
http://lists.exim.org/lurker/message/20101210.164935.385e04d0.en.html	CVE	Mailing ListPatch
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00003.html	CVE	Mailing ListThird Party Advisory
http://openwall.com/lists/oss-security/2010/12/10/1	CVE	Mailing ListThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=661756	CVE	ExploitIssue Tracking
http://secunia.com/advisories/40019	CVE	Broken LinkVendor Advisory
http://secunia.com/advisories/42576	CVE	Broken LinkVendor Advisory
http://secunia.com/advisories/42586	CVE	Broken LinkVendor Advisory
http://secunia.com/advisories/42587	CVE	Broken LinkVendor Advisory
http://secunia.com/advisories/42589	CVE	Broken LinkVendor Advisory
http://www.cpanel.net/2010/12/exim-remote-memory-corruption-vulnerability-notification-cve-2010-4344.html	CVE	Broken Link
http://www.debian.org/security/2010/dsa-2131	CVE	Mailing ListThird Party Advisory
http://www.exim.org/lurker/message/20101207.215955.bb32d4f2.en.html	CVE	ExploitMailing List
http://www.kb.cert.org/vuls/id/682457	CVE	Third Party AdvisoryUS Government Resource
http://www.metasploit.com/modules/exploit/unix/smtp/exim4_string_format	CVE	Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/05/04/7	CVE	ExploitMailing List
http://www.osvdb.org/69685	CVE	Broken LinkExploitPatch
http://www.redhat.com/support/errata/RHSA-2010-0970.html	CVE	Broken Link
http://www.securityfocus.com/archive/1/515172/100/0/threaded	CVE	Broken LinkThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/45308	CVE	Broken LinkThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id?1024858	CVE	Broken LinkThird Party AdvisoryVDB Entry
http://www.theregister.co.uk/2010/12/11/exim_code_execution_peril/	CVE	Press/Media Coverage
http://www.ubuntu.com/usn/USN-1032-1	CVE	Third Party Advisory
http://www.vupen.com/english/advisories/2010/3171	CVE	Broken LinkVendor Advisory
http://www.vupen.com/english/advisories/2010/3172	CVE	Broken LinkVendor Advisory
http://www.vupen.com/english/advisories/2010/3181	CVE	Broken LinkVendor Advisory
http://www.vupen.com/english/advisories/2010/3186	CVE	Broken LinkVendor Advisory
http://www.vupen.com/english/advisories/2010/3204	CVE	Broken LinkVendor Advisory
http://www.vupen.com/english/advisories/2010/3246	CVE	Broken LinkVendor Advisory
http://www.vupen.com/english/advisories/2010/3317	CVE	Broken Link
ftp://ftp.exim.org/pub/exim/ChangeLogs/ChangeLog-4.70	[email protected]	Broken Link
http://atmail.com/blog/2010/atmail-6204-now-available/	[email protected]	Broken Link
http://bugs.exim.org/show_bug.cgi?id=787	[email protected]	Issue TrackingPatch
http://git.exim.org/exim.git/commit/24c929a27415c7cfc7126c47e4cad39acf3efa6b	[email protected]	Mailing ListPatch
http://lists.exim.org/lurker/message/20101210.164935.385e04d0.en.html	[email protected]	Mailing ListPatch
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00003.html	[email protected]	Mailing ListThird Party Advisory
http://openwall.com/lists/oss-security/2010/12/10/1	[email protected]	Mailing ListThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=661756	[email protected]	ExploitIssue Tracking
http://secunia.com/advisories/40019	[email protected]	Broken LinkVendor Advisory
http://secunia.com/advisories/42576	[email protected]	Broken LinkVendor Advisory
http://secunia.com/advisories/42586	[email protected]	Broken LinkVendor Advisory
http://secunia.com/advisories/42587	[email protected]	Broken LinkVendor Advisory
http://secunia.com/advisories/42589	[email protected]	Broken LinkVendor Advisory
http://www.cpanel.net/2010/12/exim-remote-memory-corruption-vulnerability-notification-cve-2010-4344.html	[email protected]	Broken Link
http://www.debian.org/security/2010/dsa-2131	[email protected]	Mailing ListThird Party Advisory
http://www.exim.org/lurker/message/20101207.215955.bb32d4f2.en.html	[email protected]	ExploitMailing List
http://www.kb.cert.org/vuls/id/682457	[email protected]	Third Party AdvisoryUS Government Resource
http://www.metasploit.com/modules/exploit/unix/smtp/exim4_string_format	[email protected]	Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/05/04/7	[email protected]	ExploitMailing List
http://www.osvdb.org/69685	[email protected]	Broken LinkExploitPatch
http://www.redhat.com/support/errata/RHSA-2010-0970.html	[email protected]	Broken Link
http://www.securityfocus.com/archive/1/515172/100/0/threaded	[email protected]	Broken LinkThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/45308	[email protected]	Broken LinkThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id?1024858	[email protected]	Broken LinkThird Party AdvisoryVDB Entry
http://www.theregister.co.uk/2010/12/11/exim_code_execution_peril/	[email protected]	Press/Media Coverage
http://www.ubuntu.com/usn/USN-1032-1	[email protected]	Third Party Advisory
http://www.vupen.com/english/advisories/2010/3171	[email protected]	Broken LinkVendor Advisory
http://www.vupen.com/english/advisories/2010/3172	[email protected]	Broken LinkVendor Advisory
http://www.vupen.com/english/advisories/2010/3181	[email protected]	Broken LinkVendor Advisory
http://www.vupen.com/english/advisories/2010/3186	[email protected]	Broken LinkVendor Advisory
http://www.vupen.com/english/advisories/2010/3204	[email protected]	Broken LinkVendor Advisory
http://www.vupen.com/english/advisories/2010/3246	[email protected]	Broken LinkVendor Advisory
http://www.vupen.com/english/advisories/2010/3317	[email protected]	Broken Link

see all 67 references

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name	Date Added	Due Date	Required Action
Exim Heap-Based Buffer Overflow Vulnerability	Mar 25, 2022	Apr 15, 2022	Apply updates per vendor instructions.

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	[email protected]
CWE-787	Out-of-bounds Write	CISA-ADP

Affected Products

Product	Versions
exim exim	< 4.70
CPE cpe:2.3:a:exim:exim:::::::: Remediation No remediation found in references.
opensuse opensuse	11.1 11.2 11.3
CPE cpe:2.3:o:opensuse:opensuse:11.1:::::::* cpe:2.3:o:opensuse:opensuse:11.2:::::::* cpe:2.3:o:opensuse:opensuse:11.3:::::::* Remediation No remediation found in references.
debian debian linux	5.0
CPE cpe:2.3:o:debian:debian_linux:5.0:::::::* Remediation No remediation found in references.
canonical ubuntu linux	6.06 8.04 9.10
CPE cpe:2.3:o:canonical:ubuntu_linux:6.06:::::::* cpe:2.3:o:canonical:ubuntu_linux:8.04::::-::: cpe:2.3:o:canonical:ubuntu_linux:9.10:::::::* Remediation No remediation found in references.

Change History

17 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	CISA-ADP
Jun 16, 2026	CVE Modified	[email protected]
Apr 21, 2026	Modified Analysis	[email protected]
Oct 22, 2025	CVE Modified	CISA-ADP
Oct 21, 2025	CVE Modified	CISA-ADP
Oct 21, 2025	CVE Modified	CISA-ADP
Mar 13, 2025	Modified Analysis	[email protected]
Feb 7, 2025	CVE Modified	CISA-ADP
Dec 19, 2024	Modified Analysis	[email protected]
Nov 21, 2024	CVE Modified	CVE
Jul 16, 2024	Modified Analysis	[email protected]
May 14, 2024	CVE Modified	[email protected]
Feb 13, 2023	CVE Modified	[email protected]
Feb 2, 2023	CVE Modified	[email protected]
May 4, 2021	CVE Modified	[email protected]
Oct 10, 2018	CVE Modified	[email protected]
Dec 14, 2010	Initial Analysis	[email protected]

CVE-2010-4344 Details

Description

Metrics

References to Advisories, Solutions, and Tools

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Weakness Enumeration

Affected Products

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

Change History

QUICK INFO