SUSE Busybox Moderate Heap Overflow Vulnern 2026-3900

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## This update for busybox fixes the following issues: * CVE-2023-42366: heap buffer overflow in the `next_token` function of `editors/awk.c` (bsc#1217586). * CVE-2026-38752: stack buffer overflow in the `evaluate()` function of `editors/awk.c` (bsc#1271544). * CVE-2026-38753: use-after-free in the `awk_sub()` function of `editors/awk.c` (bsc#1271545). * CVE-2026-38754: heap buffer overflow in `ifsbreakup()` function of `shell/ash.c` (bsc#1271547). * CVE-2026-38755: heap buffer overflow in `evalcommand()` function of `shell/ash.c` (bsc#1271548). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product:

## This update for busybox fixes the following issues: * CVE-2023-42366: heap buffer overflow in the `next_token` function of `editors/awk.c` (bsc#1217586). * CVE-2026-38752: stack buffer overflow in the `evaluate()` function of `editors/awk.c` (bsc#1271544). * CVE-2026-38753: use-after-free in the `awk_sub()` function of `editors/awk.c` (bsc#1271545). * CVE-2026-38754: heap buffer overflow in `ifsbreakup()` function of `shell/ash.c` (bsc#1271547). * CVE-2026-38755: heap buffer overflow in `evalcommand()` function of `shell/ash.c` (bsc#1271548). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product:

* CVE-2023-42366 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

* CVE-2023-42366 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

* CVE-2026-38752 ( SUSE ): 4.6

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

* CVE-2026-38752 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

* CVE-2026-38752 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-38752 ( NVD ): 2.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

* CVE-2026-38753 ( SUSE ): 4.6

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Announcement ID: SUSE-SU-2026:3900-1 Release Date: 2026-08-31T15:11:16Z Rating: moderate

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