---
cve: "CVE-2023-47038"
severity: "HIGH"
cvss: 7.0
epss: "81%"
vendor: "Red Hat"
kev: false
exploited: false
published: "2023-12-18 14:15:08"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T22:34:44+02:00"
---

# CVE-2023-47038

> 7.0 HIGH

## Beschreibung

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.

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Hoch | good |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- 12c313ce49b36160a7ca2e9b07ad5bd92ee4a010 (Commit)
- 7047915eef37fccd93e7cd985c29fe6be54650b6 (Commit)

## Referenzen

- <https://access.redhat.com/errata/RHSA-2024:2228>
- <https://access.redhat.com/errata/RHSA-2024:3128>
- <https://access.redhat.com/security/cve/CVE-2023-47038>
- <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1056746>
- <https://bugzilla.redhat.com/show_bug.cgi?id=2249523>
- <https://github.com/Perl/perl5/commit/12c313ce49b36160a7ca2e9b07ad5bd92ee4a010>
- <https://github.com/Perl/perl5/commit/7047915eef37fccd93e7cd985c29fe6be54650b6>
- <https://github.com/Perl/perl5/commit/ff1f9f59360afeebd6f75ca1502f5c3ebf077da3>
- <https://github.com/aquasecurity/trivy/discussions/8400>
- <https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNEEWAACXQCEEAKSG7XX2D5YDRWLCIZJ/>
- <https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UMDZZ4SCEW6FRWZDMXGAKZ35THTAWFG6/>
- <https://perldoc.perl.org/perl5382delta#CVE-2023-47038-Write-past-buffer-end-via-illegal-user-defined-Unicode-property>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2023-47038) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_