> CVE-2026-4455

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PUBLISHED
2026-03-20 02:16
MODIFIED
2026-03-20 02:16
EPSS (Prob. Exploit)
0.26%
Top 82.2%
DATA SOURCES:
NVD 🔗 2026-03-20 RED HAT 🔗 2026-03-22 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-11-08 GITHUB 🔗 2026-11-05 MSRC 🔗 2026-11-02

> DESCRIPTION

Heap buffer overflow in PDFium in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file. (Chromium security severity: High)

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> WEAKNESSES

CWE-122

> CWE DETAILED DESCRIPTIONS

CWE-122: Heap-based Buffer Overflow - The product writes past the end of a buffer that was allocated on the heap.

> RED HAT SEVERITY ASSESSMENT

THREAT SEVERITY
Important

> GITHUB SECURITY ADVISORY

GHSA-c7wp-3qh5-55pv MODERATE

Open WebUI Missing Access Check on Channel Members Endpoint for Standard Channels

AFFECTED PACKAGES:
PIP / open-webui
<= 0.8.12
Fixed in: 0.9.0

> HISTORIQUE DES MODIFICATIONS

Première apparition
20/03/2026 02:16
Source: NVD
📊 ENRICHISSEMENT 01/11/2026 06:58
CWE
Champ modifié: Description CWE
Ancienne valeur:
CWE-122: Heap-based Buffer Overflow - A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the bu...
Nouvelle valeur:
CWE-122: Heap-based Buffer Overflow - The product writes past the end of a buffer that was allocated on the heap.
📊 ENRICHISSEMENT 01/04/2026 06:02
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-122: Heap-based Buffer Overflow - A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the bu...
📊 ENRICHISSEMENT 22/03/2026 05:01
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
N/A
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 22/03/2026 05:01
REDHAT
Champ modifié: Red Hat
Ancienne valeur:
Non
Nouvelle valeur:
Oui
Total des modifications: 4 Dernière mise à jour: 1 week ago

> REFERENCES

https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_...
https://issues.chromium.org/issues/488585504
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