CVE-2021-28831
HIGHBusyBox 1.32.0-1.32.1 - Denial of Service via Malformed Gzip Data
Title source: llmDescription
decompress_gunzip.c in BusyBox through 1.32.1 mishandles the error bit on the huft_build result pointer, with a resultant invalid free or segmentation fault, via malformed gzip data.
References (8)
Core 8
Core References
Mailing List, Patch, Vendor Advisory x_refsource_misc
https://git.busybox.net/busybox/commit/?id=f25d254dfd4243698c31a4f3153d4ac72aa9e9bd
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZASBW7QRRLY5V2R44MQ4QQM4CZIDHM2U/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7ZIFKPRR32ZYA3WAA2NXFA3QHHOU6FJ/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UDQGJRECXFS5EZVDH2OI45FMO436AC4/
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/04/msg00001.html
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202105-09
Vendor Advisory
https://security.netapp.com/advisory/ntap-20250509-0005/
Scores
CVSS v3
7.5
EPSS
0.0279
EPSS Percentile
84.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-755
Status
published
Products (5)
busybox/busybox
1.32.0 - 1.32.1
debian/debian_linux
9.0
fedoraproject/fedora
32
fedoraproject/fedora
33
fedoraproject/fedora
34
Published
Mar 19, 2021
Tracked Since
Feb 18, 2026