> CVE-2026-63959

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PUBLISHED
2026-07-19 16:17
MODIFIED
2026-07-19 16:17
EPSS (Prob. Exploit)
0.21%
Top 90.0%
DATA SOURCES:
NVD 🔗 2026-07-19 RED HAT 🔗 2026-07-26 FIRST EPSS 🔗 2026-10-25 OSV 🔗 2026-07-26 MSRC 🔗 2026-11-02

> DESCRIPTION

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm/tcpci_maxim: validate header NDO against RX_BYTE_CNT A broken/malicious port can transmit a CRC-valid frame whose header advertises up to seven data objects but whose body carries fewer than that. Check for this, and rightfully reject the message, instead of reading from uninitialized stack memory.

> AFFECTED_PRODUCTS

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

> RED HAT SEVERITY ASSESSMENT

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

usb: typec: tcpm/tcpci_maxim: validate header NDO against RX_BYTE_CNT

AFFECTED PACKAGES:
Unknown / Unknown
Linux / Kernel

> HISTORIQUE DES MODIFICATIONS

Première apparition
19/07/2026 16:17
Source: NVD
📊 ENRICHISSEMENT 26/07/2026 05:01
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
N/A
Nouvelle valeur:
{ "threat_severity": null, "severity_scale": null }
📊 ENRICHISSEMENT 26/07/2026 05:01
REDHAT
Champ modifié: Red Hat
Ancienne valeur:
Non
Nouvelle valeur:
Oui
Total des modifications: 2 Dernière mise à jour: 3 months ago

> REFERENCES

https://git.kernel.org/stable/c/0af00f1459f5dd757f0d392f8caa38039561ac62
https://git.kernel.org/stable/c/9b496e3371c04f0a03b7faa5d2442536d00e3998
https://git.kernel.org/stable/c/aa2f716327be1818e1cb156da8a2844804aaec2f
https://git.kernel.org/stable/c/c4ab8e2d4432abb646c5c0687f8dab173da901f9
https://git.kernel.org/stable/c/dc17721d42e6d89f63572e63add8306a0e15eb3c
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