CVE-2007-4521

MEDIUM 5.0CVE-2007-4521 · Published 28/08/2007 · updated 16/06/2026

In short

CVE-2007-4521 is a MEDIUM (CVSS 5.0) vulnerability affecting asterisk (asterisk).
Chance of exploitation in the next 30 days (EPSS): 3.0%, higher than 87.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
asterisk asterisk	`= 1.4.10= 1.4.11= 1.4.5= 1.4.6= 1.4.7= 1.4.8= 1.4.9`	No fix yet

Description

Asterisk Open Source 1.4.5 through 1.4.11, when configured to use an IMAP voicemail storage backend, allows remote attackers to cause a denial of service via an e-mail with an "invalid/corrupted" MIME body, which triggers a crash when the recipient listens to voicemail.

References

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Package

Affected versions

Patched versions

asterisk

= 1.4.10= 1.4.11= 1.4.5= 1.4.6= 1.4.7= 1.4.8= 1.4.9

No fix yet

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