CVE-2021-33640
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
After tar_close(), libtar.c releases the memory pointed to by pointer t. After tar_close() is called in the list() function, it continues to use pointer t: free_longlink_longname(t->th_buf) . As a result, the released memory is used (use-after-free).
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
openEuler 22.03 LTS
- Vendor
- openEuler
- Product
- openEuler 22.03 LTS
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| libtar 1.2.20-21 | affected | Unavailable | Unavailable | Unavailable | None listed |
openEuler 20.03 LTS SP1
- Vendor
- openEuler
- Product
- openEuler 20.03 LTS SP1
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| libtar 1.2.20-19 | affected | Unavailable | Unavailable | Unavailable | None listed |
openEuler 20.03 LTS SP3
- Vendor
- openEuler
- Product
- openEuler 20.03 LTS SP3
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| libtar 1.2.20-19 | affected | Unavailable | Unavailable | Unavailable | None listed |