CVE-2017-6420

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

The wwunpack function in libclamav/wwunpack.c in ClamAV 0.99.2 allows remote attackers to cause a denial of service (use-after-free) via a crafted PE file with WWPack compression.

Metrics

CVSS 3.0 5.5/10CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://bugzilla.clamav.net/show_bug.cgi?id=11798Permissions Required
https://github.com/varsleak/varsleak-vul/blob/master/clamav-vul/use-after-free/clamav-use-after-free-pe.mdThird Party Advisory
https://github.com/vrtadmin/clamav-devel/commit/dfc00cd3301a42b571454b51a6102eecf58407bcIssue Tracking, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201804-16
https://bugzilla.clamav.net/show_bug.cgi?id=11798Permissions Required
https://github.com/varsleak/varsleak-vul/blob/master/clamav-vul/use-after-free/clamav-use-after-free-pe.mdThird Party Advisory
https://github.com/vrtadmin/clamav-devel/commit/dfc00cd3301a42b571454b51a6102eecf58407bcIssue Tracking, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201804-16

Timeline

Published: Aug 7, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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