CVE Vulnerabilities

CVE-2022-28652

Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

Published: Jun 04, 2024 | Modified: Mar 13, 2025
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
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~/.config/apport/settings parsing is vulnerable to billion laughs attack

Weakness

The product uses XML documents and allows their structure to be defined with a Document Type Definition (DTD), but it does not properly control the number of recursive definitions of entities.

Affected Software

NameVendorStart VersionEnd Version
ApportApport_project*2.21.0 (excluding)
ApportUbuntubionic*
ApportUbuntudevel*
ApportUbuntuesm-infra-legacy/trusty*
ApportUbuntuesm-infra/bionic*
ApportUbuntuesm-infra/focal*
ApportUbuntuesm-infra/xenial*
ApportUbuntufocal*
ApportUbuntuimpish*
ApportUbuntujammy*
ApportUbuntukinetic*
ApportUbuntulunar*
ApportUbuntumantic*
ApportUbuntunoble*
ApportUbuntuoracular*
ApportUbuntuplucky*
ApportUbuntuquesting*
ApportUbuntutrusty/esm*

Potential Mitigations

References