CVE-2018-15378: canonical ubuntu_linux Out-of-bounds Read
Vulnerability summary
CVE-2018-15378 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 1.31% chance of exploitation in the next 30 days, higher than 70.3% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 5 · Related 5Timeline
- 15-10-2018PublishedVulnerability first disclosed.
- 26-11-2024Last modifiedVulnerability information updated.
Description
A vulnerability in ClamAV versions prior to 0.100.2 could allow an attacker to cause a denial of service (DoS) condition. The vulnerability is due to an error related to the MEW unpacker within the "unmew11()" function (libclamav/mew.c), which can be exploited to trigger an invalid read memory access via a specially crafted EXE file.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.31%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
0.00 pp
From 1.31% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- clamav< 0.100.2+dfsg-1 | < 0.100.2+dfsg-0+deb8u1
- debian_linuxEOL8.0
Alpine1 product
- clamav< 0.100.2-r0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 16.04 | 18.04
Cisco1 product
- clamav≥ unspecified, < 0.100.2
Clamav1 product
- clamav< 0.100.2
Mageia1 product
- clamav< 0.100.2-1.mga6
Ubuntu1 product
- clamav< 0.100.2+dfsg-1ubuntu0.14.04.1 | < 0.100.2+dfsg-1ubuntu0.16.04.1 | < 0.100.2+dfsg-1ubuntu0.18.04.1
7 vendors · 8 products
References
17 links
lists.debian.org/debian-lts-announce/2018/10/msg00014.htmlMailing ListX Refsource MLISTThird Party Advisory- secuniaresearch.flexerasoftware.com/advisories/83000/Third Party AdvisoryX Refsource SECUNIAPermissions Required
- www.flexera.com/company/secunia-research/advisories/SR-2018-23.htmlX Refsource MISCThird Party Advisory