CVE-2019-20838

pcre: Buffer over-read in JIT when UTF is disabled and \X or \R has fixed quantifier greater than 1

Published Jun 15, 2020 CVSS 3.1 · 7.5 High EPSS 2.8% KEV · Not listed
Description
libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, a related issue to CVE-2019-20454.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Ubuntu USN Ubuntu USN USN-5425-1 PCRE vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 8, 2026, 9:13 PM
Reserved
Jun 15, 2020, 12:00 AM
Status
Modified
Published
Jun 15, 2020, 5:15 PM
Modified
Oct 8, 2026, 10:16 PM
Severity
Low
Public date
Jun 15, 2020, 12:00 AM