An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longlink, causing an out-of-bounds read.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-4033-1 | libtar security update |
EUVD |
EUVD-2021-20320 | An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longlink, causing an out-of-bounds read. |
Ubuntu USN |
USN-7398-1 | libtar vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Mon, 03 Nov 2025 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
Wed, 02 Apr 2025 19:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Openatom
Openatom openeuler |
|
| CPEs | cpe:2.3:o:huawei:openeuler:20.03:sp3:*:*:lts:*:*:* cpe:2.3:o:huawei:openeuler:22.03:*:*:*:lts:*:*:* |
cpe:2.3:o:openatom:openeuler:20.03:sp1:*:*:lts:*:*:* cpe:2.3:o:openatom:openeuler:20.03:sp3:*:*:lts:*:*:* cpe:2.3:o:openatom:openeuler:22.03:*:*:*:lts:*:*:* |
| Vendors & Products |
Huawei
Huawei openeuler |
Openatom
Openatom openeuler |
Status: PUBLISHED
Assigner: openEuler
Published:
Updated: 2025-11-03T20:33:35.833Z
Reserved: 2021-05-28T00:00:00.000Z
Link: CVE-2021-33643
No data.
Status : Modified
Published: 2022-08-10T20:15:20.450
Modified: 2025-11-03T21:15:41.117
Link: CVE-2021-33643
OpenCVE Enrichment
No data.
Debian DLA
EUVD
Ubuntu USN