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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 4.3 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://bugs.gentoo.org/717920	Issue Tracking Patch Third Party Advisory VDB Entry
https://www.pcre.org/original/changelog.txt	Release Notes Vendor Advisory
https://support.apple.com/kb/HT211931	Vendor Advisory
http://seclists.org/fulldisclosure/2020/Dec/32	Mailing List Third Party Advisory
https://support.apple.com/kb/HT212147	Vendor Advisory
http://seclists.org/fulldisclosure/2021/Feb/14	Mailing List Third Party Advisory
https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772@%3Cdev.mina.apache.org%3E	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:pcre:pcre:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

Information

Published : 2020-06-15 10:15

Updated : 2021-09-22 07:22

NVD link : CVE-2019-20838

Mitre link : CVE-2019-20838

JSON object : View

CWE

CWE-125

Out-of-bounds Read

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Products Affected

pcre

pcre

apple

macos

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