CVE-2017-6420

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2017-6420
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-6420.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2017-6420
Downstream
Related
Published
2017-08-07T03:29:00.307Z
Modified
2026-05-14T12:52:22.423548Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/cisco-talos/clamav

Affected ranges

Type
GIT
Repo
https://github.com/cisco-talos/clamav
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
5ceae552829ee65c9ecff8ff303b1f2ddfd11576
Database specific 
{
    "cpe": "cpe:2.3:a:clamav:clamav:0.99.2:*:*:*:*:*:*:*",
    "source": "CPE_FIELD",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "0.99.2"
        }
    ]
}

Affected versions

clamav-0.*
clamav-0.96
clamav-0.96.2
clamav-0.96.3
clamav-0.96.4
clamav-0.96.5
clamav-0.96rc1
clamav-0.96rc2
clamav-0.97
clamav-0.97rc
clamav-0.99.2
Other
merge-llvm-97877
r5076

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-6420.json"