Description
An 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.
Published: 2020-02-14
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3363-1 pcre2 security update
EUVD EUVD EUVD-2019-11000 An 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.
History

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Subscriptions

Fedoraproject Fedora
Pcre Pcre2
Redhat Enterprise Linux
Splunk Universal Forwarder
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T02:39:09.902Z

Reserved: 2020-02-14T00:00:00.000Z

Link: CVE-2019-20454

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-02-14T14:15:10.593

Modified: 2024-11-21T04:38:31.003

Link: CVE-2019-20454

cve-icon Redhat

Severity : Moderate

Publid Date: 2019-07-28T00:00:00Z

Links: CVE-2019-20454 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses