CVE catalog
CVE-2017-6420
clamav: CVE-2017-6420
- Severity
- High · CVSS 7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.38% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | clamav | sid | 1.4.6+dfsg-1 | fixed |
| Debian | clamav | forky | 1.4.6+dfsg-1 | fixed |
| Debian | clamav | trixie | 1.4.3+dfsg-1 | fixed |
| Debian | clamav | bookworm | 1.4.3+dfsg-1~deb12u2 | fixed |
| Debian | clamav | bookworm-security | 1.4.6+dfsg-0+deb12u1 | fixed |
| Ubuntu | clamav | 14.04 | 0.97.8+dfsg-1ubuntu4 | vulnerable |
| Ubuntu | clamav | 14.04 | 0.97.8+dfsg-1ubuntu5 | vulnerable |
| Ubuntu | clamav | 14.04 | 0.98.1+dfsg-1ubuntu4 | vulnerable |
| Ubuntu | clamav | 14.04 | 0.98.1+dfsg-1ubuntu5 | vulnerable |
| Ubuntu | clamav | 14.04 | 0.98.1+dfsg-2ubuntu2 | vulnerable |
| Ubuntu | clamav | 14.04 | 0.98.1+dfsg-4ubuntu1 | vulnerable |
| Ubuntu | clamav | 14.04 | 0.98.1+dfsg-4ubuntu1.1 | vulnerable |
| Ubuntu | clamav | 14.04 | 0.98.5+addedllvm-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | clamav | 14.04 | 0.98.6+dfsg-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | clamav | 14.04 | 0.98.7+dfsg-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | clamav | 14.04 | 0.99.2+addedllvm-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | clamav | 14.04 | 0.99.2+addedllvm-0ubuntu0.14.04.2 | fixed |
| Ubuntu | clamav | 16.04 | 0.98.7+dfsg-0ubuntu4 | vulnerable |
| Ubuntu | clamav | 16.04 | 0.98.7+dfsg-0ubuntu5 | vulnerable |
| Ubuntu | clamav | 16.04 | 0.99+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | clamav | 16.04 | 0.99+dfsg-1ubuntu1.1 | vulnerable |
| Ubuntu | clamav | 16.04 | 0.99+dfsg-1ubuntu1.2 | vulnerable |
| Ubuntu | clamav | 16.04 | 0.99.2+dfsg-0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | clamav | 16.04 | 0.99.2+dfsg-0ubuntu0.16.04.2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | clamav | source | sid | 0.99.3~beta1+dfsg-1 | not yet assigned | Not reported | Not reported |
| Debian | clamav | source | forky | 0.99.3~beta1+dfsg-1 | not yet assigned | Not reported | Not reported |
| Debian | clamav | source | trixie | 0.99.3~beta1+dfsg-1 | not yet assigned | Not reported | Not reported |
| Debian | clamav | source | bookworm | 0.99.3~beta1+dfsg-1 | not yet assigned | Not reported | Not reported |
| Ubuntu | clamav | deb | 14.04 | 0.99.2+addedllvm-0ubuntu0.14.04.2 | Not reported | UBUNTU-CVE-2017-6420 | Not reported |
| Ubuntu | clamav | deb | 16.04 | 0.99.2+dfsg-0ubuntu0.16.04.2 | Not reported | UBUNTU-CVE-2017-6420 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [clamav]Fixed
Details (2)
1.4.3+dfsg-1~deb12u2· amd64 · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
1.4.3+dfsg-1~deb12u2· arm64 · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- [clamav-base]Fixed
Source package: [clamav]
Details (2)
1.4.3+dfsg-1~deb12u2· all · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
1.4.3+dfsg-1~deb12u2· all · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- [clamav-daemon]Fixed
Source package: [clamav]
Details (2)
1.4.3+dfsg-1~deb12u2· amd64 · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
1.4.3+dfsg-1~deb12u2· arm64 · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- [clamav-doc]Fixed
Source package: [clamav]
Details (2)
1.4.3+dfsg-1~deb12u2· all · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
1.4.3+dfsg-1~deb12u2· all · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- [clamav-docs]Fixed
Source package: [clamav]
Details (2)
1.4.3+dfsg-1~deb12u2· all · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
1.4.3+dfsg-1~deb12u2· all · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- [clamav-freshclam]Fixed
Source package: [clamav]
Details (2)
1.4.3+dfsg-1~deb12u2· amd64 · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
1.4.3+dfsg-1~deb12u2· arm64 · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- [clamav-milter]Fixed
Source package: [clamav]
Details (2)
1.4.3+dfsg-1~deb12u2· amd64 · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
1.4.3+dfsg-1~deb12u2· arm64 · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- [clamav-testfiles]Fixed
Source package: [clamav]
Details (2)
1.4.3+dfsg-1~deb12u2· all · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
1.4.3+dfsg-1~deb12u2· all · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- [clamdscan]Fixed
Source package: [clamav]
Details (2)
1.4.3+dfsg-1~deb12u2· amd64 · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
1.4.3+dfsg-1~deb12u2· arm64 · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- [libclamav12]Fixed
Source package: [clamav]
Details (2)
1.4.3+dfsg-1~deb12u2· amd64 · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
1.4.3+dfsg-1~deb12u2· arm64 · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
- [libclamav-dev]Fixed
Source package: [clamav]
Details (2)
1.4.3+dfsg-1~deb12u2· amd64 · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
1.4.3+dfsg-1~deb12u2· arm64 · bookwormFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · bookworm; dsa · clamav · debian · 12
[Debian 13 (Trixie)]
- [clamav]Fixed
Details (2)
1.4.3+dfsg-1· amd64 · trixieFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · 13
1.4.3+dfsg-1· arm64 · trixieFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · 13
- [clamav-base]Fixed
Source package: [clamav]
Details (2)
1.4.3+dfsg-1· all · trixieFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · 13
1.4.3+dfsg-1· all · trixieFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · 13
- [clamav-daemon]Fixed
Source package: [clamav]
Details (2)
1.4.3+dfsg-1· amd64 · trixieFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · 13
1.4.3+dfsg-1· arm64 · trixieFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · 13
- [clamav-doc]Fixed
Source package: [clamav]
Details (2)
1.4.3+dfsg-1· all · trixieFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · 13
1.4.3+dfsg-1· all · trixieFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · 13
- [clamav-docs]Fixed
Source package: [clamav]
Details (2)
1.4.3+dfsg-1· all · trixieFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · 13
1.4.3+dfsg-1· all · trixieFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · 13
- [clamav-freshclam]Fixed
Source package: [clamav]
Details (2)
1.4.3+dfsg-1· amd64 · trixieFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · 13
1.4.3+dfsg-1· arm64 · trixieFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · 13
- [clamav-milter]Fixed
Source package: [clamav]
Details (2)
1.4.3+dfsg-1· amd64 · trixieFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · 13
1.4.3+dfsg-1· arm64 · trixieFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · 13
- [clamav-testfiles]Fixed
Source package: [clamav]
Details (2)
1.4.3+dfsg-1· all · trixieFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · 13
1.4.3+dfsg-1· all · trixieFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · 13
- [clamdscan]Fixed
Source package: [clamav]
Details (2)
1.4.3+dfsg-1· amd64 · trixieFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · 13
1.4.3+dfsg-1· arm64 · trixieFixed · Fixed:
0.99.3~beta1+dfsg-1dsa · clamav · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2018_0254-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2017-6420]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2017-6420]
- [https://security-tracker.debian.org/tracker/CVE-2017-6420]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]