CVEvulnerability
CVE-2021-28831
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-03-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-755
Description
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.
Affected configurations
• busybox busybox (>= 1.32.0 <= 1.32.1)
• fedoraproject fedora 32
• fedoraproject fedora 33
• fedoraproject fedora 34
• debian debian linux 9.0
Related
Weakness · CWE (1)
- CWE-755 Improper Handling of Exceptional Conditions weakness
References
- 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/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7ZIFKPRR32ZYA3WAA2NXFA3QHHOU6FJ/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZASBW7QRRLY5V2R44MQ4QQM4CZIDHM2U/ lists.fedoraproject.org
- 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.debian.org/debian-lts-announce/2025/01/msg00012.html lists.debian.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UDQGJRECXFS5EZVDH2OI45FMO436AC4/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7ZIFKPRR32ZYA3WAA2NXFA3QHHOU6FJ/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZASBW7QRRLY5V2R44MQ4QQM4CZIDHM2U/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202105-09 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20250509-0005/ security.netapp.com