How severe is CVE-2013-4397?

CVE-2013-4397 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2013-4397 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4397?

CVE-2013-4397 primarily affects Redhat Enterprise Linux. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4397?

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

When was CVE-2013-4397 published?

CVE-2013-4397 was published on 2013-10-17 and last updated on 2026-06-16.

CVE-2013-4397

CVE-2013-4397 is a medium-severity vulnerability in Redhat Enterprise Linux with a CVSS 2.0 base score of 6.8. 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-189.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Redhat Enterprise Linux
Published: 2013-10-17
Last modified: 2026-06-16

Description

Multiple integer overflows in the th_read function in lib/block.c in libtar before 1.2.20 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long (1) name or (2) link in an archive, which triggers a heap-based buffer overflow.

Frequently asked questions

What is CVE-2013-4397?: Multiple integer overflows in the th_read function in lib/block.c in libtar before 1.2.20 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long (1) name or (2) link in an archive, which triggers a heap-based buffer overflow.
How severe is CVE-2013-4397?: CVE-2013-4397 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2013-4397 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4397?: CVE-2013-4397 primarily affects Redhat Enterprise Linux. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4397?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4397 published?: CVE-2013-4397 was published on 2013-10-17 and last updated on 2026-06-16.

References

Affected products (9)

cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

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