How severe is CVE-2015-2310?

CVE-2015-2310 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.

Is CVE-2015-2310 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-2310?

CVE-2015-2310 affects Capnproto. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-2310?

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

When was CVE-2015-2310 published?

CVE-2015-2310 was published on 2017-08-09 and last updated on 2026-06-17.

CVE-2015-2310

CVE-2015-2310 is a critical-severity vulnerability in Capnproto with a CVSS 3.x base score of 9.1. 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-190.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Capnproto
Published: 2017-08-09
Last modified: 2026-06-17

Description

Integer overflow in layout.c++ in Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.1 allows remote peers to cause a denial of service or possibly obtain sensitive information from memory via a crafted message, related to pointer validation.

Frequently asked questions

What is CVE-2015-2310?: Integer overflow in layout.c++ in Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.1 allows remote peers to cause a denial of service or possibly obtain sensitive information from memory via a crafted message, related to pointer validation.
How severe is CVE-2015-2310?: CVE-2015-2310 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
Is CVE-2015-2310 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-2310?: CVE-2015-2310 affects Capnproto. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-2310?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2015-2310 published?: CVE-2015-2310 was published on 2017-08-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:capnproto:capnproto:*:*:*:*:*:*:*:*

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