Linux · Security advisory · December 27, 2025
RLSA-2023:2898: libtar security update
RLSA-2023:2898, released December 27, 2025, fixes 4 CVEs in libtar (version 0:1.2.20-17.el8). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
4
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0202
81st percentile
Priority of the 4 CVEs
Patch now 0
Urgent 0
High 4
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libtar | rocky 8 | 0:1.2.20-17.el8 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2021-33645 | libtar0t64: The th_read() function doesn’t free a variable t->th_buf.gnu_longlink afterallocating memory, which may cause a memor... | 7.5 | 0.0202 | None reported | |
| High | CVE-2021-33646 | libtar0t64: The th_read() function doesn’t free a variable t->th_buf.gnu_longname afterallocating memory, which may cause a memor... | 7.5 | 0.0200 | None reported | |
| High | CVE-2021-33643 | libtar0t64: An attacker who submits a crafted tar file with size in header struct being0 may be able to trigger an calling of mal... | 9.1 | 0.0188 | None reported | |
| High | CVE-2021-33644 | libtar0t64: An attacker who submits a crafted tar file with size in header struct being0 may be able to trigger an calling of mal... | 8.1 | 0.0158 | None reported |
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