CVE-2023-5217 — CVE-2023-5217 | Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to … — CVE & Security Advisory Radar

🎯 CVE-2023-5217 🔓 Exploited 🧪 PoC 🇪🇺 EUVD

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CVE-2023-5217 | Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Klassifikation & Betroffenheit:

Google Chrome 117.0.5938.132 <117.0.5938.132libvpx 1.13.1 <1.13.1webmproject libvpx *microsoft edge 116.0.1938.98microsoft edge 117.0.2045.47microsoft edge_chromium 116.0.5845.229microsoft edge_chromium 117.0.5938.132mozilla firefox *

Improper Restriction of Operations within the Bounds of a Memory Buffer 🎯 High

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

🛡️ Empfohlene Mitigation: Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid. For example, many languages that perform their own memory management, such as Java and Perl, are not subject to buffer overflows. Other languages, such as Ada and C#, typically provide overflow prot…

Vollständige Definition bei MITRE ➔

⚔️ Typische Angriffsmuster (CAPEC):

CAPEC-10 · Buffer Overflow via Environment Variable… (High) CAPEC-14 · Client-side Injection-induced Buffer Ove… (High) CAPEC-24 · Filter Failure through Buffer Overflow (High) CAPEC-42 · MIME Conversion (High) CAPEC-44 · Overflow Binary Resource File (Very High) CAPEC-45 · Buffer Overflow via Symbolic Links (High) CAPEC-100 · Overflow Buffers (Very High) CAPEC-123 · Buffer Manipulation (Very High)

🧩 Ähnliche Schwachstellen (Hersteller/Klasse/Score-Band):

CVE-2026-28659 10.0 CVE-2026-49883 10.0 CVE-2025-36939 10.0 CVE-2026-28573 10.0 CVE-2026-0063 10.0

🧪 Exploit-Evidenz:

🐙 UT-Security/cve-2023-5217-poc 🐙 Trinadh465/platform_external_lib 🐙 Trinadh465/platform_external_lib

🩹 Patch verfügbar (OSV):

🩹 10b9492dcf05b652e2e4b370e205bd605d421972 (Commit) 🩹 3fbd1dca6a4d2dad332a2110d646e4ffef36d590 (Commit)

🇩🇪 BSI-Sicherheitshinweise: BSI · Red Hat Enterprise Linux (libvpx): Mehrere Schwachstellen ↗ BSI · Apple iPadOS und iOS: Mehrere Schwachstellen ↗ BSI · Mozilla Firefox: Schwachstelle ermöglicht Codeausführung ↗

📚 Referenzen & Quellen:

🇪🇺 Original-Eintrag (ENISA EUVD) 🇺🇸 NVD-Eintrag

Ausnutzungs-Zeitleiste:

Reserviert 2023

Veröffentlicht 09/2023

Im KEV seit 10/2023

Heute 07.10.

CVSS-Vektor-Analyse: 8.8

AV · Angriffsvektor Netzwerk

AC · Komplexität Gering

PR · Privilegien Keine

UI · Interaktion Erforderlich

S · Scope Unverändert

C · Vertraulichkeit Hoch

I · Integrität Hoch

A · Verfügbarkeit Hoch

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

Veröffentlicht:28.09.2023

Aktualisiert:17.06.2026 06:48

Assigner (CNA):Chrome

EUVD-ID:EUVD-2023-2578

Quellen: 🇪🇺 EUVD-Datenbank (ENISA) + 🇺🇸 NVD-Anreicherung · 24-h-Cache

CWE-119: Memory Corruption ✓ Offizieller Patch / Advisory verfügbar

💡 Gegenmaßnahme: Sicherheits-Update des Herstellers zeitnah einspielen und Netzwerksegmentierung prüfen.

Tier	2026-09-23	2026-10-07
≥90 %	491	344
≥50 %	1475	1071
≥10 %	0	3
<10 %	0	549

8.8 HIGH

EPSS

49%

CVE-2023-5217 🌐 Netzwerk (Remote) 🔓 Keine Authentifizierung nötig

Google

CVE-2023-5217 | Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

CWE-119: Memory Corruption ✓ Offizieller Patch / Advisory verfügbar

💡 Gegenmaßnahme: Sicherheits-Update des Herstellers zeitnah einspielen und Netzwerksegmentierung prüfen.

28.09.2023

🛡️ Details ➔

CVE-2023-5217 | Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

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Zero-Day & Vulnerability Intelligence Hub

CVE-2023-5217 | Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)