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CVE-2022-3559

Exim Regex use after free

Published: Oct 17, 2022Updated: Nov 3, 2025 Sources: CVE List NVD BDUCWE-119
4.6MEDIUM
NVD MITRE
EPSS Score
3.8%
Top 10.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

A vulnerability was found in Exim and classified as problematic. This issue affects some unknown processing of the component Regex Handler. The manipulation leads to use after free. The name of the patch is 4e9ed49f8f12eb331b29bd5b6dc3693c520fddc2. It is recommended to apply a patch to fix this issue. The identifier VDB-211073 was assigned to this vulnerability.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:AAC:HPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:AAttack Vector
Adjacent
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-119CWE-416

Affected Products

Novell Inc.
commercial·US
openSUSE TumbleweedOn-prem
Operating Systems / linux-distro
OpenSUSE LeapOn-premOS
Operating Systems / linux-distro
SUSE Package Hub for SUSE Linux EnterpriseOn-prem
Operating Systems / linux-distro
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
Astra Linux Special Edition для «Эльбрус»On-premOS
Operating Systems / linux-distro
unspecified
Exim
OSS Libraries / generic-library
exim
oss-project
eximOn-prem
Communications / email-server-client
fedoraproject
oss-project·USaka fedora project
fedoraOn-premOS
Operating Systems / linux-distro
Fedora Project
oss-project·USaka fedora
FedoraOn-premOS
Operating Systems / linux-distro
and 4 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://git.exim.org/exim.git/commit/4e9ed49f8f12eb331b29bd5b6dc3693c520fddc2
git.exim.org
https://vuldb.com/?id.211073
vuldb.com
https://bugs.exim.org/show_bug.cgi?id=2915
bugs.exim.org
and 17 more references View all →

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