CVE-2023-47038

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.81% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 54.4% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2023-12-18 13:43Z2 YR AGO

Last updated

2026-01-22 00:06Z7 MO AGO

Reserved

2023-10-30

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 7.0)

CNA CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-122Heap-based Buffer OverflowVariant
• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

e4c760589d2aca496c6cf3bb8cd263af7bcd4bd1cdace4761383f5a0fac2af3c

• access.redhat.comRHSA-2024:2228https://access.redhat.com/errata/RHSA-2024:2228vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2024:3128https://access.redhat.com/errata/RHSA-2024:3128vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2023-47038vdb-entryx_refsource_REDHAT
• bugs.debian.orghttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1056746
• bugzilla.redhat.comRHBZ#2249523https://bugzilla.redhat.com/show_bug.cgi?id=2249523issue-trackingx_refsource_REDHAT
• github.comhttps://github.com/aquasecurity/trivy/discussions/8400
• www.suse.comhttps://www.suse.com/security/cve/CVE-2023-47100.html
• ubuntu.comhttps://ubuntu.com/security/CVE-2023-47100
• github.comhttps://github.com/Perl/perl5/commit/ff1f9f59360afeebd6f75ca1502f5c3ebf077da3
• github.comhttps://github.com/Perl/perl5/commit/7047915eef37fccd93e7cd985c29fe6be54650b6
• github.comhttps://github.com/Perl/perl5/commit/12c313ce49b36160a7ca2e9b07ad5bd92ee4a010
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNEEWAACXQCEEAKSG7XX2D5YDRWLCIZJ/
• perldoc.perl.orghttps://perldoc.perl.org/perl5382delta#CVE-2023-47038-Write-past-buffer-end-via-illegal-user-defined-Unicode-property
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UMDZZ4SCEW6FRWZDMXGAKZ35THTAWFG6/