CVE-2021-28831

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-28831
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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://git.busybox.net/busybox/commit/?id=f25d254dfd4243698c31a4f3153d4ac72aa9e9bd Mailing List Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/04/msg00001.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UDQGJRECXFS5EZVDH2OI45FMO436AC4/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7ZIFKPRR32ZYA3WAA2NXFA3QHHOU6FJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZASBW7QRRLY5V2R44MQ4QQM4CZIDHM2U/
https://security.gentoo.org/glsa/202105-09 Third Party Advisory
https://git.busybox.net/busybox/commit/?id=f25d254dfd4243698c31a4f3153d4ac72aa9e9bd Mailing List Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/04/msg00001.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UDQGJRECXFS5EZVDH2OI45FMO436AC4/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7ZIFKPRR32ZYA3WAA2NXFA3QHHOU6FJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZASBW7QRRLY5V2R44MQ4QQM4CZIDHM2U/
https://security.gentoo.org/glsa/202105-09 Third Party Advisory
https://security.netapp.com/advisory/ntap-20250509-0005/
Configurations

Configuration 1 (hide)

cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
History

09 May 2025, 20:15

Type Values Removed Values Added
References
  • () https://security.netapp.com/advisory/ntap-20250509-0005/ -

21 Nov 2024, 06:00

Type Values Removed Values Added
References () https://git.busybox.net/busybox/commit/?id=f25d254dfd4243698c31a4f3153d4ac72aa9e9bd - Mailing List, Patch, Vendor Advisory () https://git.busybox.net/busybox/commit/?id=f25d254dfd4243698c31a4f3153d4ac72aa9e9bd - Mailing List, Patch, Vendor Advisory
References () https://lists.debian.org/debian-lts-announce/2021/04/msg00001.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2021/04/msg00001.html - Mailing List, Third Party Advisory
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UDQGJRECXFS5EZVDH2OI45FMO436AC4/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UDQGJRECXFS5EZVDH2OI45FMO436AC4/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7ZIFKPRR32ZYA3WAA2NXFA3QHHOU6FJ/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7ZIFKPRR32ZYA3WAA2NXFA3QHHOU6FJ/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZASBW7QRRLY5V2R44MQ4QQM4CZIDHM2U/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZASBW7QRRLY5V2R44MQ4QQM4CZIDHM2U/ -
References () https://security.gentoo.org/glsa/202105-09 - Third Party Advisory () https://security.gentoo.org/glsa/202105-09 - Third Party Advisory

20 May 2022, 20:56

Type Values Removed Values Added
References (GENTOO) https://security.gentoo.org/glsa/202105-09 - (GENTOO) https://security.gentoo.org/glsa/202105-09 - Third Party Advisory

26 May 2021, 10:15

Type Values Removed Values Added
References
  • (GENTOO) https://security.gentoo.org/glsa/202105-09 -

21 May 2021, 18:40

Type Values Removed Values Added
CPE cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/04/msg00001.html - (MLIST) https://lists.debian.org/debian-lts-announce/2021/04/msg00001.html - Mailing List, Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3UDQGJRECXFS5EZVDH2OI45FMO436AC4/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3UDQGJRECXFS5EZVDH2OI45FMO436AC4/ - Third Party Advisory
Information

Published : 2021-03-19 05:15

Updated : 2025-05-09 20:15

NVD link : CVE-2021-28831

Mitre link : CVE-2021-28831

CVE.ORG link : CVE-2021-28831

JSON object : View

Products Affected

debian

  • debian_linux

fedoraproject

  • fedora

busybox

  • busybox
CWE
CWE-755

Improper Handling of Exceptional Conditions