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busybox: Busybox: Denial of Service via crafted AWK script in awk_sub() function

🗓️ 16 Jul 2026 21:55:58Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

Use-after-free in Busybox awk_sub() function allows remote DoS via crafted AWK script.

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A use-after-free in the awk_sub() function (editors/awk.c) of Busybox v1.38.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted AWK script.
21 Jul 202608:05
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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64busybox1.37.0-8.1.hum1busybox-1.37.0-8.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64busybox1.37.0-8.1.hum1busybox-1.37.0-8.1.hum1.x86_64.rpm

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19 Aug 2026 13:40Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.17.5
EPSS0.00145
SSVC
3