How severe is CVE-2015-1379?

CVE-2015-1379 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2015-1379 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-1379?

CVE-2015-1379 primarily affects Dest-unreach Socat. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-1379?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-1379 published?

CVE-2015-1379 was published on 2017-06-08 and last updated on 2026-06-17.

CVE-2015-1379

CVE-2015-1379 is a high-severity vulnerability in Dest-unreach Socat with a CVSS 3.x base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Dest-unreach Socat
Published: 2017-06-08
Last modified: 2026-06-17

Description

The signal handler implementations in socat before 1.7.3.0 and 2.0.0-b8 allow remote attackers to cause a denial of service (process freeze or crash).

Frequently asked questions

What is CVE-2015-1379?: The signal handler implementations in socat before 1.7.3.0 and 2.0.0-b8 allow remote attackers to cause a denial of service (process freeze or crash).
How severe is CVE-2015-1379?: CVE-2015-1379 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2015-1379 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-1379?: CVE-2015-1379 primarily affects Dest-unreach Socat. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-1379?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-1379 published?: CVE-2015-1379 was published on 2017-06-08 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:dest-unreach:socat:*:*:*:*:*:*:*:*
cpe:2.3:a:dest-unreach:socat:2.0.0-b8:*:*:*:*:*:*:*

More vulnerabilities in Dest-unreach Socat

CVE-2026-56123 — High (CVSS 8.1): socat versions 1.8.0.0 through 1.8.1.1 contain a heap-based buffer overflow vulnerability that allows a malicious…
CVE-2010-2799 — Medium (CVSS 6.8): Stack-based buffer overflow in the nestlex function in nestlex.c in Socat 1.5.0.0 through 1.7.1.2 and 2.0.0-b1 through…
CVE-2012-0219 — Medium (CVSS 6.2): Heap-based buffer overflow in the xioscan_readline function in xio-readline.c in socat 1.4.0.0 through 1.7.2.0 and…
CVE-2016-2217 — Medium (CVSS 5.3): The OpenSSL address implementation in Socat 1.7.3.0 and 2.0.0-b8 does not use a prime number for the DH, which makes it…
CVE-2013-3571 — Low (CVSS 2.6): socat 1.2.0.0 before 1.7.2.2 and 2.0.0-b1 before 2.0.0-b6, when used for a listen type address and the fork option is…
CVE-2014-0019 — Low (CVSS 1.9): Stack-based buffer overflow in socat 1.3.0.0 through 1.7.2.2 and 2.0.0-b1 through 2.0.0-b6 allows local users to cause…

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