CVE-2019-20838
pcre: Buffer over-read in JIT when UTF is disabled and \X or \R has fixed quantifier greater than 1
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
libpcre en PCRE versiones anteriores a 8.43, permite una lectura excesiva del búfer del asunto en JIT cuando UTF es deshabilitado, y \X o \R contiene más de un cuantificador corregido, un problema relacionado con CVE-2019-20454
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-06-15 CVE Reserved
- 2020-06-15 CVE Published
- 2024-05-06 EPSS Updated
- 2024-08-05 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-125: Out-of-bounds Read
CAPEC
References (9)
| URL | Tag | Source |
|---|---|---|
| http://seclists.org/fulldisclosure/2020/Dec/32 | Mailing List |
|
| http://seclists.org/fulldisclosure/2021/Feb/14 | Mailing List |
|
| https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E | Mailing List |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://bugs.gentoo.org/717920 | 2024-03-27 |
| URL | Date | SRC |
|---|---|---|
| https://support.apple.com/kb/HT211931 | 2024-03-27 | |
| https://support.apple.com/kb/HT212147 | 2024-03-27 | |
| https://www.pcre.org/original/changelog.txt | 2024-03-27 | |
| https://access.redhat.com/security/cve/CVE-2019-20838 | 2021-11-10 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1848444 | 2021-11-10 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Pcre Search vendor "Pcre" | Pcre Search vendor "Pcre" for product "Pcre" | < 8.43 Search vendor "Pcre" for product "Pcre" and version " < 8.43" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | < 11.0.1 Search vendor "Apple" for product "Macos" and version " < 11.0.1" | - |
Affected
| ||||||
| Splunk Search vendor "Splunk" | Universal Forwarder Search vendor "Splunk" for product "Universal Forwarder" | >= 8.2.0 < 8.2.12 Search vendor "Splunk" for product "Universal Forwarder" and version " >= 8.2.0 < 8.2.12" | - |
Affected
| ||||||
| Splunk Search vendor "Splunk" | Universal Forwarder Search vendor "Splunk" for product "Universal Forwarder" | >= 9.0.0 < 9.0.6 Search vendor "Splunk" for product "Universal Forwarder" and version " >= 9.0.0 < 9.0.6" | - |
Affected
| ||||||
| Splunk Search vendor "Splunk" | Universal Forwarder Search vendor "Splunk" for product "Universal Forwarder" | 9.1.0 Search vendor "Splunk" for product "Universal Forwarder" and version "9.1.0" | - |
Affected
| ||||||