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CVE-2016-5300

The XML parser in Expat does not use sufficient entropy for hash initialization, which allows context-dependent attackers to cause a…

High7.5EPSS 6.5%
Published
Updated
Reserved
Assigned by
mitre

Description

The XML parser in Expat does not use sufficient entropy for hash initialization, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted identifiers in an XML document. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-0876.

Scores

CVSS scores of CVE-2016-5300, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0High7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
6.5% · top 6.2% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

Affected products

  • n/a

    • affected n/a

References (13)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .