CVE-2015-2312

Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.1 allows remote peers to cause a...

7.5 HighFix available

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 (CPU and possibly general resource consumption) via a list with a large number of elements.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

1.89%Up 0.9 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2015-2312
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness: CWE-400
Updated: 2026-11-02

CVE List No score

Record: CVE-2015-2312
Updated: 2026-11-02

EUVDEUVD-2015-2407 No score

Record: EUVD-2015-2407
Updated: 2026-11-03

GitHub AdvisoriesGHSA-2wgh-cg2p-67mv 7.5

Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.1 allows remote peers to cause a...

Record: GHSA-2wgh-cg2p-67mv
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-400
Updated: 2026-11-02

OSV 7.5

Record: CVE-2015-2312
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2015-2312 7.5

Record: DEBIAN-CVE-2015-2312
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2015-2312 7.5

Record: UBUNTU-CVE-2015-2312
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

capnproto

Affected packages

Affected packages
Package	Affected	Fixed
`capnproto` Debian:12	before 0.4.1-3	0.4.1-3
`capnproto` Debian:13	before 0.4.1-3	0.4.1-3
`capnproto` Debian:14	before 0.4.1-3	0.4.1-3
`capnproto` Ubuntu:14.04:LTS	before 0.4.0-1ubuntu2.1, plus listed versions 0.2.1-10.4.0~git20131030+e7d2778-0ubuntu10.4.0-1ubuntu10.4.0-1ubuntu2	0.4.0-1ubuntu2.1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-2312 is a high vulnerability (CVSS 7.5) in Capnproto, published August 9, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.89%, the 79th percentile. Fixed in capnproto 0.4.1-3.

References

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