# Busybox vulnerabilities

Source: https://junglewise.ai/threats/vendors/busybox  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/busybox.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 20 vulnerabilities in Busybox: 3 in the last 7 days and 12 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-124742, was published on 11 November 2026. 2 vulnerabilities in the last four weeks, down 71% on the four before (7). 1 technology has a page of its own.

## Counts

- Last 7 days: 3
- Last 30 days: 4
- Last 90 days: 12
- All time: 20 (0 critical, 0 exploited in the wild)

## About Busybox

BusyBox is a software suite that provides several Unix utilities in a single executable file.

## Latest Busybox vulnerabilities

- [CVE-2026-124742: BusyBox divide-by-zero in volume identification FAT parser](https://junglewise.ai/threats/cve-2026-124742-a-flaw-was-found-in-busybox-the-volume-identification-component) (medium, CVSS 5.5, published 11 Nov 2026)
- [CVE-2026-124739: BusyBox httpd stack buffer overflow in subdirectory config](https://junglewise.ai/threats/cve-2026-124739-a-flaw-was-found-in-busybox-when-the-httpd-web-server-processes) (high, CVSS 7.5, published 11 Nov 2026)
- [CVE-2026-124737: BusyBox heap buffer overflow in TFTP client](https://junglewise.ai/threats/cve-2026-124737-a-flaw-was-found-in-busybox-when-the-tftp-trivial-file-transfer) (high, CVSS 7.5, published 11 Nov 2026)
- [CVE-2026-92205: BusyBox libarchive symlink directory traversal arbitrary file creation](https://junglewise.ai/threats/cve-2026-92205-busybox-libarchive-symlink-directory-traversal-arbitrary-file) (medium, CVSS 6.1, published 21 Oct 2026)
- [CVE-2026-88833: BusyBox udhcpc integer underflow in DHCP packet processing](https://junglewise.ai/threats/cve-2026-88833-a-flaw-was-found-in-busybox-s-udhcpc-dhcp-client-when-processing) (medium, CVSS 6.5, published 13 Oct 2026)
- [CVE-2026-88840: BusyBox TLS out-of-bounds read in ClientHello parsing](https://junglewise.ai/threats/cve-2026-88840-busybox-tls-get-client-hello-reads-past-the-end-of-the-input) (medium, CVSS 5.3, published 23 Sep 2026)
- [CVE-2026-88839: BusyBox passwd/group tokenize() heap pointer out-of-bounds write](https://junglewise.ai/threats/cve-2026-88839-busybox-passwd-group-tokenize-references-a-stale-endpoint-pointer) (medium, CVSS 6.7, published 23 Sep 2026)
- [CVE-2026-88837: BusyBox httpd authentication bypass with yescrypt hashes](https://junglewise.ai/threats/cve-2026-88837-busybox-httpd-treats-yescrypt-y-password-hashes-as-plaintext) (medium, CVSS 6.5, published 23 Sep 2026)
- [CVE-2026-88835: BusyBox dpkg read_package_field() out-of-bounds heap read](https://junglewise.ai/threats/cve-2026-88835-busybox-dpkg-read-package-field-steps-past-a-nul-terminator-on) (medium, CVSS 6.1, published 23 Sep 2026)
- [CVE-2026-88831: BusyBox httpd IP deny rules CIDR prefix parsing bypass](https://junglewise.ai/threats/cve-2026-88831-busybox-httpd-ip-deny-rules-with-invalid-cidr-prefix-lengths-fail) (medium, CVSS 5.3, published 23 Sep 2026)
- [CVE-2026-88832: BusyBox romfs volume ID parsing heap buffer overflow](https://junglewise.ai/threats/cve-2026-88832-busybox-romfs-volume-id-parsing-uses-unbounded-strlen-on-attacker) (high, CVSS 7.3, published 23 Sep 2026)
- [CVE-2026-88830: BusyBox TLS heap buffer overflow in Montgomery reduction](https://junglewise.ai/threats/cve-2026-88830-a-unit-confusion-in-busybox-tls-montgomery-reduction-buffer) (high, CVSS 7.5, published 23 Sep 2026)
- [CVE-2026-38755: BusyBox ash heap overflow in evalcommand function](https://junglewise.ai/threats/cve-2026-38755-busybox-ash-heap-overflow-in-evalcommand-function) (info, CVSS 0, published 15 Jul 2026)
- [CVE-2026-38754: BusyBox ash heap overflow in ifsbreakup](https://junglewise.ai/threats/cve-2026-38754-busybox-ash-heap-overflow-in-ifsbreakup) (info, CVSS 0, published 15 Jul 2026)
- [CVE-2026-38752: BusyBox stack overflow in AWK evaluate function](https://junglewise.ai/threats/cve-2026-38752-busybox-stack-overflow-in-awk-evaluate-function) (info, published 15 Jul 2026)
- [CVE-2026-38753: BusyBox AWK use-after-free in awk_sub](https://junglewise.ai/threats/cve-2026-38753-busybox-awk-use-after-free-in-awk-sub) (info, published 15 Jul 2026)
- [CVE-2026-29004: BusyBox heap buffer overflow in udhcpc6 DNS_SERVERS handler](https://junglewise.ai/threats/cve-2026-29004-busybox-heap-buffer-overflow-in-udhcpc6-dns-servers-handler) (high, CVSS 8.1, published 4 May 2026)
- [CVE-2026-26158: BusyBox arbitrary file modification via unvalidated tar link entries](https://junglewise.ai/threats/cve-2026-26158-busybox-arbitrary-file-modification-via-unvalidated-tar-link) (high, CVSS 7, published 11 Feb 2026)
- [CVE-2026-26157: BusyBox path traversal in archive extraction utilities](https://junglewise.ai/threats/cve-2026-26157-busybox-path-traversal-in-archive-extraction-utilities) (high, CVSS 7, published 11 Feb 2026)
- [CVE-2025-60876: BusyBox wget HTTP header injection via request-target splitting](https://junglewise.ai/threats/cve-2025-60876-busybox-wget-http-header-injection-via-request-target-splitting) (medium, CVSS 6.5, published 10 Nov 2025)

## Most severe Busybox vulnerabilities

- [CVE-2026-29004: BusyBox heap buffer overflow in udhcpc6 DNS_SERVERS handler](https://junglewise.ai/threats/cve-2026-29004-busybox-heap-buffer-overflow-in-udhcpc6-dns-servers-handler) (high, CVSS 8.1, published 4 May 2026)
- [CVE-2026-88830: BusyBox TLS heap buffer overflow in Montgomery reduction](https://junglewise.ai/threats/cve-2026-88830-a-unit-confusion-in-busybox-tls-montgomery-reduction-buffer) (high, CVSS 7.5, published 23 Sep 2026)
- [CVE-2026-124739: BusyBox httpd stack buffer overflow in subdirectory config](https://junglewise.ai/threats/cve-2026-124739-a-flaw-was-found-in-busybox-when-the-httpd-web-server-processes) (high, CVSS 7.5, published 11 Nov 2026)
- [CVE-2026-124737: BusyBox heap buffer overflow in TFTP client](https://junglewise.ai/threats/cve-2026-124737-a-flaw-was-found-in-busybox-when-the-tftp-trivial-file-transfer) (high, CVSS 7.5, published 11 Nov 2026)
- [CVE-2026-88832: BusyBox romfs volume ID parsing heap buffer overflow](https://junglewise.ai/threats/cve-2026-88832-busybox-romfs-volume-id-parsing-uses-unbounded-strlen-on-attacker) (high, CVSS 7.3, published 23 Sep 2026)
- [CVE-2026-26157: BusyBox path traversal in archive extraction utilities](https://junglewise.ai/threats/cve-2026-26157-busybox-path-traversal-in-archive-extraction-utilities) (high, CVSS 7, published 11 Feb 2026)
- [CVE-2026-26158: BusyBox arbitrary file modification via unvalidated tar link entries](https://junglewise.ai/threats/cve-2026-26158-busybox-arbitrary-file-modification-via-unvalidated-tar-link) (high, CVSS 7, published 11 Feb 2026)
- [CVE-2026-88839: BusyBox passwd/group tokenize() heap pointer out-of-bounds write](https://junglewise.ai/threats/cve-2026-88839-busybox-passwd-group-tokenize-references-a-stale-endpoint-pointer) (medium, CVSS 6.7, published 23 Sep 2026)
- [CVE-2026-88837: BusyBox httpd authentication bypass with yescrypt hashes](https://junglewise.ai/threats/cve-2026-88837-busybox-httpd-treats-yescrypt-y-password-hashes-as-plaintext) (medium, CVSS 6.5, published 23 Sep 2026)
- [CVE-2026-88833: BusyBox udhcpc integer underflow in DHCP packet processing](https://junglewise.ai/threats/cve-2026-88833-a-flaw-was-found-in-busybox-s-udhcpc-dhcp-client-when-processing) (medium, CVSS 6.5, published 13 Oct 2026)

## Vulnerabilities per week

2 vulnerabilities in the last four weeks, down 71% on the four before (7).

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 7 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 1 | 0 | 0 |
| 19 Oct 2026 | 1 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 3 | 0 | 0 |

## Busybox technologies

- [BusyBox](https://junglewise.ai/threats/technologies/busybox): 30 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Busybox vulnerabilities", https://junglewise.ai/threats/vendors/busybox, 13 November 2026.
