Search/CVE-2019-20838
● CVE — High

CVE-2019-20838

Vendorapple, pcre, splunkProductmacos, pcre, universal forwarderDiscoveredJun 15, 2020UpdatedNov 21, 2024

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.

CVSS v3.1
7.5 HIGH
EPSS
2.84%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Nov 1, 2026
▲ 0.07pp
2.77% → 2.84% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Connections
4 relationships
Timeline
disclosure → media coverage
Jun 15, 2020
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024