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CVE-2026-20214

Опубликовано: 01 июл. 2026
Источник: ubuntu
Приоритет: medium
CVSS3: 7.5

Описание

A vulnerability in the FSG file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in FSG files during scanning, which may result in an out-of-bounds buffer write. An attacker could exploit this vulnerability by submitting a crafted file that contains portable executable content compressed with FSG to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software.

РелизСтатусПримечание
devel

pending

1.5.3+dfsg-0ubuntu3
esm-infra-legacy/trusty

needs-triage

esm-infra-legacy/xenial

needs-triage

esm-infra/bionic

needs-triage

esm-infra/focal

needs-triage

jammy

released

1.5.3+dfsg-0ubuntu0.22.04.2
noble

released

1.5.3+dfsg-0ubuntu0.24.04.1
questing

ignored

end of life, was needs-triage
resolute

released

1.5.3+dfsg-0ubuntu0.26.04.1
upstream

released

1.5.3,1.4.5

Показывать по

7.5 High

CVSS3

Связанные уязвимости

CVSS3: 7.5
redhat
около 1 месяца назад

A vulnerability in the FSG file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in FSG files during scanning, which may result in an out-of-bounds buffer write. An attacker could exploit this vulnerability by submitting a crafted file that contains portable executable content compressed with FSG to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software.

CVSS3: 7.5
nvd
около 1 месяца назад

A vulnerability in the FSG file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in FSG files during scanning, which may result in an out-of-bounds buffer write. An attacker could exploit this vulnerability by submitting a crafted file that contains portable executable content compressed with FSG to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software.

CVSS3: 7.5
msrc
24 дня назад

ClamAV FSG File Format Processing Out-of-Bounds Memory Corruption Vulnerability

CVSS3: 7.5
debian
около 1 месяца назад

A vulnerability in the FSG file format parser of ClamAV could allow an ...

CVSS3: 7.5
github
около 1 месяца назад

A vulnerability in the FSG file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in FSG files during scanning, which may result in an out-of-bounds buffer write. An attacker could exploit this vulnerability by submitting a crafted file that contains portable executable content compressed with FSG to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software.

7.5 High

CVSS3