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Fencer Vulns
high 7.5

CVE-2019-1789 json

ClamAV Denial of Service Vulnerability

published 2019-11-05 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-10346

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

ClamAV versions prior to 0.101.2 are susceptible to a denial of service (DoS) vulnerability. An out-of-bounds heap read condition may occur when scanning PE files. An example is Windows EXE and DLL files that have been packed using Aspack as a result of inadequate bound-checking.

Patch / fix

  • Cisco ClamAV 0.100.3
  • clamav Debian 14, Debian 13, Debian 12 0.101.2+dfsg-1

debian advisories DEBIAN-CVE-2019-1789

  • clamav Ubuntu 14.04 LTS 0.100.3+dfsg-0ubuntu0.14.04.1
  • clamav Ubuntu 16.04 LTS 0.100.3+dfsg-0ubuntu0.16.04.1
  • clamav Ubuntu 18.04 LTS 0.100.3+dfsg-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2019-1789

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • clamav SLE Module for Basesystem 15 SP2, SLE Module for Basesystem 15 SP1 0.103.0-3.23.1
  • clamav SLES 11 SP4-LTSS, SLE Point of Sale 11 SP3 0.100.3-0.20.21.1
  • clamav SLES for SAP 12 SP4, SLES for SAP 12 SP3, SLES for SAP 12 SP2 +11 more 0.100.3-33.21.1
  • clamav SLE Module for Basesystem 15 0.100.3-3.9.1

suse advisories SUSE-SU-2020:3790-1SUSE-SU-2019:14015-1SUSE-SU-2019:0897-1SUSE-SU-2019:0861-1

  • clamav openSUSE Tumbleweed 0.103.3-1.4
  • clamav openSUSE Leap 15.2 0.103.0-lp152.6.3.1
  • clamav openSUSE Leap 15.1 0.103.0-lp151.2.12.1
  • clamav openSUSE Leap 15.0 0.100.3-lp150.2.10.1

opensuse advisories openSUSE-SU-2024:10685-1openSUSE-SU-2020:2276-1openSUSE-SU-2020:2268-1openSUSE-SU-2019:1210-1

  • clamav Alpine 3.24, Alpine 3.23, Alpine 3.22 +16 more 0.100.3-r0

alpine advisories ALPINE-CVE-2019-1789

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-1789 updated cvss 5.3

clamav: out-of-bounds heap read when scanning PE files

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
23 mo ago

Exploit prediction

1.49% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • Cisco ClamAV

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.