CVE-2019-20454

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2019-20454
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-02-14 14:15:00 UTC
Updated2024-03-27 16:05:00 UTC
DescriptionAn out-of-bounds read was discovered in PCRE before 10.34 when the pattern \X is JIT compiled and used to match specially crafted subjects in non-UTF mode. Applications that use PCRE to parse untrusted input may be vulnerable to this flaw, which would allow an attacker to crash the application. The flaw occurs in do_extuni_no_utf in pcre2_jit_compile.c.

Risk And Classification

Problem Types: CWE-125

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 31 All All All
Application Pcre Pcre2 All All All All
Application Pcre Pcre2 All All All All
Application Splunk Universal Forwarder All All All All
Application Splunk Universal Forwarder 9.1.0 All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 31 Update: mingw-pcre2-10.33-3.fc31 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
1735494 – (CVE-2019-20454) CVE-2019-20454 pcre: Out of bounds read in JIT mode when \X is used in non-UTF mode MISC bugzilla.redhat.com Issue Tracking, Patch
Bug 2421 – Array cross-border reading/global variable coverage in PCRE Library MISC bugs.exim.org Issue Tracking, Third Party Advisory
[SECURITY] [DLA 3363-1] pcre2 security update MLIST lists.debian.org
PHP :: Sec Bug #78338 :: Array cross-border reading/global variable coverage in PCRE MISC bugs.php.net Exploit, Issue Tracking, Third Party Advisory
[pcre2] Revision 1092 MISC vcs.pcre.org Patch
[SECURITY] Fedora 31 Update: mingw-pcre2-10.33-3.fc31 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
PCRE2: Denial of service (GLSA 202006-16) — Gentoo security GENTOO security.gentoo.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 181631 Debian Security Update for pcre2 (DLA 3363-1)
  • 296075 Oracle Solaris 11.4 Support Repository Update (SRU) 21.69.0 Missing (CPUAPR2020)
  • 377374 Alibaba Cloud Linux Security Update for pcre2 security and enhancement update (moderate) (ALINUX3-SA-2022:0050)
  • 378883 Splunk Enterprise August Third Party Package Updates (SVD-2023-0808)
  • 752435 SUSE Enterprise Linux Security Update for pcre2 (SUSE-SU-2022:2649-1)
  • 770068 Red Hat OpenShift Container Platform 4.6 Security Update (RHSA-2021:0436)
  • 940227 AlmaLinux Security Update for pcre2 (ALSA-2020:4539)
  • 940250 AlmaLinux Security Update for php:7.3 (ALSA-2020:3662)
  • 960390 Rocky Linux Security Update for pcre2 (RLSA-2020:4539)
  • 960421 Rocky Linux Security Update for php:7.3 (RLSA-2020:3662)
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report