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A heap overflow in the ifsbreakup() function (shell/ash.c) of Busybox v1.38.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input.

🗓️ 19 Jul 2026 08:01:56Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 6 Views

Heap overflow in Busybox v1.38.0 ifsbreakup() causes denial of service from crafted input.

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21 Jul 2026 08:41Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.17.5
EPSS0.00197
SSVC
6