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
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
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
Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTTP Server, is common to multiple JBoss middleware products, and is packaged under Red Hat JBoss Core Services to allow for faster distribution of updates, and for a more consistent update experience. This release adds the new Apache HTTP Server 2.4.37 Service Pack 10 packages that are part of the JBoss Core Services offering. This release serves as a replacement for Red Hat JBoss Core Services Apache HTTP Server 2.4.37 Service Pack 9 and includes bug fixes and enhancements. Issues addressed include buffer over-read, heap overflow, integer overflow, and null pointer vulnerabilities.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2020-06-15 CVE Reserved
- 2020-06-15 CVE Published
- 2024-08-05 CVE Updated
- 2025-03-30 EPSS 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
| ||||||