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Fencer Vulns
low 3.3

CVE-2018-0361 json

ClamAV before 0.100.1 lacks a PDF object length check, resulting in an unreasonably long time to parse a relatively small file.

published 2018-07-16 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-1184

cvss
3.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

ClamAV before 0.100.1 lacks a PDF object length check, resulting in an unreasonably long time to parse a relatively small file.

Patch / fix

  • clamav clamav 0.100.1
  • clamav Debian 14, Debian 13, Debian 12 0.100.1+dfsg-1

debian advisories DEBIAN-CVE-2018-0361

  • clamav Ubuntu 14.04 LTS 0.100.1+dfsg-1ubuntu0.14.04.1
  • clamav Ubuntu 16.04 LTS 0.100.1+dfsg-1ubuntu0.16.04.1
  • clamav Ubuntu 18.04 LTS 0.100.1+dfsg-1ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2018-0361

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 SLES 12 SP3, SLES 12 SP2-BCL, SLED 12 SP3 +8 more 0.100.1-33.15.2
  • clamav SLE Module for Basesystem 15 0.100.1-3.3.1
  • clamav SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +2 more 0.100.1-0.20.15.1

suse advisories SUSE-SU-2018:2323-2SUSE-SU-2018:2323-1SUSE-SU-2018:2230-1SUSE-SU-2018:2232-1

  • clamav openSUSE Tumbleweed 0.103.3-1.4

opensuse advisories openSUSE-SU-2024:10685-1

  • clamav Alpine 3.24, Alpine 3.23, Alpine 3.22 +17 more 0.100.1-r0

alpine advisories ALPINE-CVE-2018-0361

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-2018-0361 updated cvss 3.3

clamav: pdf object length check leads to dos

  • 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
no
Technical impact
partial
Assessed
23 mo ago

Exploit prediction

1.60% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 3.3 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected products

  • n/a ClamAV before 0.100.1 unknown

Classification

Weakness
  • CWE-20 Improper Input Validation

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.