How severe is CVE-2013-4420?

CVE-2013-4420 has a CVSS 2.0 base score of 5.8, rated medium severity.

Is CVE-2013-4420 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4420?

CVE-2013-4420 primarily affects Feep Libtar. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4420?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-4420 published?

CVE-2013-4420 was published on 2014-02-20 and last updated on 2026-06-16.

CVE-2013-4420

CVE-2013-4420 is a medium-severity vulnerability in Feep Libtar with a CVSS 2.0 base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 2.0 base score 5.8)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Feep Libtar
Published: 2014-02-20
Last modified: 2026-06-16

Description

Multiple directory traversal vulnerabilities in the (1) tar_extract_glob and (2) tar_extract_all functions in libtar 1.2.20 and earlier allow remote attackers to overwrite arbitrary files via a .. (dot dot) in a crafted tar file.

Frequently asked questions

What is CVE-2013-4420?: Multiple directory traversal vulnerabilities in the (1) tar_extract_glob and (2) tar_extract_all functions in libtar 1.2.20 and earlier allow remote attackers to overwrite arbitrary files via a .. (dot dot) in a crafted tar file.
How severe is CVE-2013-4420?: CVE-2013-4420 has a CVSS 2.0 base score of 5.8, rated medium severity.
Is CVE-2013-4420 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4420?: CVE-2013-4420 primarily affects Feep Libtar. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4420?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4420 published?: CVE-2013-4420 was published on 2014-02-20 and last updated on 2026-06-16.

References

Affected products (9)

cpe:2.3:a:feep:libtar:*:*:*:*:*:*:*:*
cpe:2.3:a:feep:libtar:1.2.11:*:*:*:*:*:*:*
cpe:2.3:a:feep:libtar:1.2.13:*:*:*:*:*:*:*
cpe:2.3:a:feep:libtar:1.2.14:*:*:*:*:*:*:*
cpe:2.3:a:feep:libtar:1.2.15:*:*:*:*:*:*:*
cpe:2.3:a:feep:libtar:1.2.16:*:*:*:*:*:*:*
cpe:2.3:a:feep:libtar:1.2.17:*:*:*:*:*:*:*
cpe:2.3:a:feep:libtar:1.2.18:*:*:*:*:*:*:*
cpe:2.3:a:feep:libtar:1.2.19:*:*:*:*:*:*:*

More vulnerabilities in Feep Libtar

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CVE-2021-33646 — High (CVSS 7.5): The th_read() function doesn’t free a variable t->th_buf.gnu_longname after allocating memory, which may cause a…
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