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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2019-20838
HistoryJun 15, 2020 - 5:15 p.m.

CVE-2019-20838

2020-06-1517:15:09
Debian Security Bug Tracker
security-tracker.debian.org
26
libpcre
buffer over-read
jit
utf
cve-2019-20838

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.01

Percentile

83.9%

JSON

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.

OSVersionArchitecturePackageVersionFilename
Debian12allpcre3<= 2:8.39-15pcre3_2:8.39-15_all.deb
Debian11allpcre3<= 2:8.39-13pcre3_2:8.39-13_all.deb
Debian999allpcre3<= 2:8.39-15.1pcre3_2:8.39-15.1_all.deb

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CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.01

Percentile

83.9%

JSON
Related for DEBIANCVE:CVE-2019-20838
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