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CVE-2015-9261

18
FAUCET Score

CVE-2015-9261 describes a pointer misuse vulnerability in BusyBox's huft_build function (decompress_gunzip.c) prior to version 1.27.2. This flaw can lead to denial-of-service (application crash/segfault) when processing a specially crafted ZIP file during an unzip operation, affecting various BusyBox distributions including Debian and Ubuntu. Rated Medium (CVSS 5.5), it requires local access and user interaction (UI:R) for exploitation, with a high impact on availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.27.2CPE matchmatch criteria
cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.37%
Probability of exploitation in next 30 days
EPSS Percentile
82.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0237 is in the 92nd percentile among its peer group of 5,758 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (3)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: busybox
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: busybox
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: busybox

Vendor Advisories (1)

redhatCVE-2015-9261Low

busybox: Segmentation fault when unzipping specially crafted zip file

Oct 25, 2015

References

packetstormsecurity.com / files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/167552/Nexans-FTTO-GigaSwitch-Outdated-Components-Hardcoded-Backdoor.html
ExploitThird Party AdvisoryVDB Entry
bugs.debian.org / 803097
Issue TrackingMailing ListPatchThird Party Advisory
seclists.org / fulldisclosure/2019/Jun/18
ExploitMailing ListThird Party Advisory
seclists.org / fulldisclosure/2019/Sep/7
ExploitMailing ListThird Party Advisory
seclists.org / fulldisclosure/2020/Aug/20
ExploitMailing ListThird Party Advisory
seclists.org / fulldisclosure/2022/Jun/36
ExploitMailing ListThird Party Advisory
git.busybox.net / busybox/commit
PatchVendor Advisory
lists.debian.org / debian-lts-announce/2018/07/msg00037.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2021/02/msg00020.html
Mailing ListThird Party Advisory
seclists.org / bugtraq/2019/Jun/14
ExploitMailing ListThird Party Advisory
seclists.org / bugtraq/2019/Sep/7
ExploitMailing ListThird Party Advisory
usn.ubuntu.com / 3935-1
Third Party Advisory
openwall.com / lists/oss-security/2015/10/25/3
ExploitMailing ListThird Party Advisory