Vulnerability Details CVE-2019-20838
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 43.0%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 4.3
Products affected by CVE-2019-20838
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cpe:2.3:a:pcre:pcre:2.08a
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cpe:2.3:a:splunk:universal_forwarder:8.2.0
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cpe:2.3:a:splunk:universal_forwarder:8.2.10
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cpe:2.3:a:splunk:universal_forwarder:8.2.11
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cpe:2.3:a:splunk:universal_forwarder:8.2.6
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cpe:2.3:a:splunk:universal_forwarder:8.2.7
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cpe:2.3:a:splunk:universal_forwarder:8.2.8
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cpe:2.3:a:splunk:universal_forwarder:8.2.9
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cpe:2.3:a:splunk:universal_forwarder:9.0.0
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cpe:2.3:a:splunk:universal_forwarder:9.0.1
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cpe:2.3:a:splunk:universal_forwarder:9.0.2
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cpe:2.3:a:splunk:universal_forwarder:9.0.3
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cpe:2.3:a:splunk:universal_forwarder:9.0.4
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cpe:2.3:a:splunk:universal_forwarder:9.0.5
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cpe:2.3:a:splunk:universal_forwarder:9.1.0
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cpe:2.3:o:apple:macos:1.0
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cpe:2.3:o:apple:macos:10.15.7
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cpe:2.3:o:apple:macos:11.0
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cpe:2.3:o:apple:macos:7.5.3
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cpe:2.3:o:apple:macos:7.6
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cpe:2.3:o:apple:macos:7.6.1
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cpe:2.3:o:apple:macos:8.0
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cpe:2.3:o:apple:macos:8.1
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cpe:2.3:o:apple:macos:8.5
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cpe:2.3:o:apple:macos:8.6
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cpe:2.3:o:apple:macos:9.0