CVE-2019-20838

CVSS V2 Medium 4.3 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2019-20838
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-06-15T17:15:09
  • Last Modified Date
  • 2021-09-22T14:22:22
Weakness Enumerations
CWE URL
CWE-125 http://cwe.mitre.org/data/definitions/125.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:pcre:pcre:*:*:*:*:*:*:*:* 1 OR 8.43
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* 1 OR 11.0.1
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-20838
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20838
History
Created Old Value New Value Data Type Notes
2022-05-10 06:54:03 Added to TrackCVE
2022-12-04 18:05:23 2020-06-15T17:15Z 2020-06-15T17:15:09 CVE Published Date updated
2022-12-04 18:05:23 2021-09-22T14:22:22 CVE Modified Date updated
2022-12-04 18:05:23 Analyzed Vulnerability Status updated