7.8
HIGH
CVE-2023-47038
"Pearl Regular Expression Buffer Overflow Vulnerability in perl"
Description

A vulnerability was found in perl 5.30.0 through 5.38.0. This issue occurs when a crafted regular expression is compiled by perl, which can allow an attacker controlled byte buffer overflow in a heap allocated buffer.

INFO

Published Date :

Dec. 18, 2023, 2:15 p.m.

Last Modified :

March 27, 2025, 2:42 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2023-47038 has a 7 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2023-47038 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux
2 Redhat enterprise_linux_eus
3 Redhat enterprise_linux_aus
1 Fedoraproject fedora
1 Perl perl
: Total Affected Vendor : 3 | Products : 5
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-47038.

URL Resource
https://access.redhat.com/errata/RHSA-2024:2228 Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:3128 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-47038 Third Party Advisory Broken Link
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1056746 Mailing List Patch
https://bugzilla.redhat.com/show_bug.cgi?id=2249523 Issue Tracking Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:2228 Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:3128 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-47038 Third Party Advisory Broken Link
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1056746 Mailing List Patch
https://bugzilla.redhat.com/show_bug.cgi?id=2249523 Issue Tracking Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/GNEEWAACXQCEEAKSG7XX2D5YDRWLCIZJ/ Third Party Advisory
https://perldoc.perl.org/perl5382delta#CVE-2023-47038-Write-past-buffer-end-via-illegal-user-defined-Unicode-property Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
Srinu-rj/spring-food-app

None

Dockerfile Roff Java

Updated: 6 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : Oct. 7, 2024, 8:52 a.m. This repo has been linked 127 different CVEs too.
Profile Photo
Atamik03/API-calc-dz

None

Dockerfile Python HTML

Updated: 6 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Sept. 26, 2024, 4:44 p.m. This repo has been linked 26 different CVEs too.
Profile Photo
testing-felickz/docker-scout-demo

None

Dockerfile Go

Updated: 10 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : May 29, 2024, 6:54 p.m. This repo has been linked 78 different CVEs too.
Profile Photo
raylivesun/ploa

ANALYSIS OF THE PROPOSAL PREPARATION PROCESS OF ANNUAL BUDGET LAW IN A PUBLIC INSTITUTION FEDERAL HIGHER EDUCATION

Shell Perl Raku Makefile C++

Updated: 1 year ago
0 stars 0 fork 0 watcher
Born at : April 11, 2024, 6:19 a.m. This repo has been linked 5 different CVEs too.
Profile Photo
raylivesun/pldo

Optimal Control of Evolution Differential Inclusions with Polynomial Linear Differential Operators

R Pascal Perl HTML

Updated: 11 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : April 9, 2024, 10:41 p.m. This repo has been linked 5 different CVEs too.
Profile Photo
NaInSec/CVE-LIST

Ini adalah repository kumpulan CVE v.5

allcve cve cvelist newcve

Updated: 8 months, 1 week ago
2 stars 0 fork 0 watcher
Born at : March 24, 2024, 3:01 p.m. This repo has been linked 1214 different CVEs too.
Profile Photo
bartvoet/assignment-ehb-security-review-adamlenez

None

HTML

Updated: 1 year, 3 months ago
0 stars 0 fork 0 watcher
Born at : Jan. 14, 2024, 1:57 p.m. This repo has been linked 7 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-47038 vulnerability anywhere in the article.

  • Daily CyberSecurity
CVE-2024-56406: Heap Overflow Vulnerability in Perl Threatens Denial of Service and Potential Code Execution

Perl, a versatile programming language widely used for various tasks like system administration and web development, has been found to contain a security vulnerability. A recently discovered heap buff ... Read more

Published Date: Apr 13, 2025 (4 days, 23 hours ago)
CVE-2024-56406 CVE-2024-45321 CVE-2023-47039 CVE-2023-47038 CVE-2023-47100
  • Cybersecurity News
Critical CVE-2024-45321 Flaw in Popular Perl Module Installer cpanminus, No Patch Available

In a significant security advisory, the Perl community has been alerted to a critical vulnerability, CVE-2024-45321, affecting the widely-used App::cpanminus (cpanm) tool. Rated with a CVSS score of 9 ... Read more

Published Date: Aug 29, 2024 (7 months, 2 weeks ago)
CVE-2024-6671 CVE-2024-6670 CVE-2024-45321 CVE-2024-6768 CVE-2023-47039 CVE-2023-47038 CVE-2023-47100 CVE-2018-0824

The following table lists the changes that have been made to the CVE-2023-47038 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Mar. 27, 2025

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:* versions from (including) 5.30.0 up to (including) 5.38.0
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_eus:9.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_aus:9.4:*:*:*:*:*:*:*
    Removed CPE Configuration AND OR *cpe:2.3:a:perl:perl:5.34.0:*:*:*:*:*:*:* OR cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
    Added Reference Type CVE: https://access.redhat.com/errata/RHSA-2024:2228 Types: Third Party Advisory
    Added Reference Type Red Hat, Inc.: https://access.redhat.com/errata/RHSA-2024:2228 Types: Third Party Advisory
    Added Reference Type CVE: https://access.redhat.com/errata/RHSA-2024:3128 Types: Third Party Advisory
    Added Reference Type Red Hat, Inc.: https://access.redhat.com/errata/RHSA-2024:3128 Types: Third Party Advisory
    Changed Reference Type CVE: https://access.redhat.com/security/cve/CVE-2023-47038 Types: Vendor Advisory CVE: https://access.redhat.com/security/cve/CVE-2023-47038 Types: Broken Link, Third Party Advisory
    Changed Reference Type Red Hat, Inc.: https://access.redhat.com/security/cve/CVE-2023-47038 Types: Vendor Advisory Red Hat, Inc.: https://access.redhat.com/security/cve/CVE-2023-47038 Types: Broken Link, Third Party Advisory
    Changed Reference Type CVE: https://bugzilla.redhat.com/show_bug.cgi?id=2249523 Types: Issue Tracking CVE: https://bugzilla.redhat.com/show_bug.cgi?id=2249523 Types: Issue Tracking, Third Party Advisory
    Changed Reference Type Red Hat, Inc.: https://bugzilla.redhat.com/show_bug.cgi?id=2249523 Types: Issue Tracking Red Hat, Inc.: https://bugzilla.redhat.com/show_bug.cgi?id=2249523 Types: Issue Tracking, Third Party Advisory
    Added Reference Type CVE: https://lists.fedoraproject.org/archives/list/[email protected]/message/GNEEWAACXQCEEAKSG7XX2D5YDRWLCIZJ/ Types: Third Party Advisory
    Added Reference Type CVE: https://perldoc.perl.org/perl5382delta#CVE-2023-47038-Write-past-buffer-end-via-illegal-user-defined-Unicode-property Types: Vendor Advisory
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2024:2228
    Added Reference https://access.redhat.com/errata/RHSA-2024:3128
    Added Reference https://access.redhat.com/security/cve/CVE-2023-47038
    Added Reference https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1056746
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2249523
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/GNEEWAACXQCEEAKSG7XX2D5YDRWLCIZJ/
    Added Reference https://perldoc.perl.org/perl5382delta#CVE-2023-47038-Write-past-buffer-end-via-illegal-user-defined-Unicode-property
  • CVE Modified by [email protected]

    Sep. 16, 2024

    Action Type Old Value New Value
    Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/GNEEWAACXQCEEAKSG7XX2D5YDRWLCIZJ/
    Removed Reference Red Hat, Inc. https://perldoc.perl.org/perl5382delta#CVE-2023-47038-Write-past-buffer-end-via-illegal-user-defined-Unicode-property
  • CVE Modified by [email protected]

    May. 30, 2024

    Action Type Old Value New Value
    Changed Description A vulnerability was found in perl. This issue occurs when a crafted regular expression is compiled by perl, which can allow an attacker controlled byte buffer overflow in a heap allocated buffer. A vulnerability was found in perl 5.30.0 through 5.38.0. This issue occurs when a crafted regular expression is compiled by perl, which can allow an attacker controlled byte buffer overflow in a heap allocated buffer.
  • CVE Modified by [email protected]

    May. 22, 2024

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:3128 [No types assigned]
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 30, 2024

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:2228 [No types assigned]
  • CVE Modified by [email protected]

    Mar. 28, 2024

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://perldoc.perl.org/perl5382delta#CVE-2023-47038-Write-past-buffer-end-via-illegal-user-defined-Unicode-property [No types assigned]
  • CVE Modified by [email protected]

    Feb. 05, 2024

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/GNEEWAACXQCEEAKSG7XX2D5YDRWLCIZJ/ [No types assigned]
  • Initial Analysis by [email protected]

    Dec. 29, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://access.redhat.com/security/cve/CVE-2023-47038 No Types Assigned https://access.redhat.com/security/cve/CVE-2023-47038 Vendor Advisory
    Changed Reference Type https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1056746 No Types Assigned https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1056746 Mailing List, Patch
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2249523 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2249523 Issue Tracking
    Added CWE NIST CWE-787
    Added CPE Configuration AND OR *cpe:2.3:a:perl:perl:5.34.0:*:*:*:*:*:*:* OR cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
  • CVE Received by [email protected]

    Dec. 18, 2023

    Action Type Old Value New Value
    Added Description A vulnerability was found in perl. This issue occurs when a crafted regular expression is compiled by perl, which can allow an attacker controlled byte buffer overflow in a heap allocated buffer.
    Added Reference Red Hat, Inc. https://access.redhat.com/security/cve/CVE-2023-47038 [No types assigned]
    Added Reference Red Hat, Inc. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1056746 [No types assigned]
    Added Reference Red Hat, Inc. https://bugzilla.redhat.com/show_bug.cgi?id=2249523 [No types assigned]
    Added CWE Red Hat, Inc. CWE-122
    Added CVSS V3.1 Red Hat, Inc. AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-47038 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-47038 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.14 }} -0.19%

score

0.30964

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: