Debian Linux
CVE-2019-9658
MEDIUM
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
1Blast Radius
ecosystem impact- 24 maven packages depend on com.puppycrawl.tools:checkstyle (13 direct, 11 indirect)
Ecosystem-wide dependent count for version 8.18.
DescriptionNVD
Checkstyle before 8.18 loads external DTDs by default.
AnalysisAI
Checkstyle before 8.18 loads external DTDs by default. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. Affected products include: Checkstyle, Debian Debian Linux, Fedoraproject Fedora. Version information: before 8.18.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Disable external entity processing in XML parsers, use JSON instead of XML where possible.
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