CVE-2015-2311

Name: CVE-2015-2311
Creator: NVD / NIST
Published: 2017-08-09T18:29:01.027+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.54%

Last modified Jun 17, 2026

CVE-2015-2311 is a vulnerability of currently unknown severity. Integer underflow in Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.1 might allow remote peers to cause a denial of service or possibly obtain sensitive information from memory or execute arbitrary code via a crafted message.. EPSS estimates a 2.54% chance of exploitation in the next 30 days.

Description

Integer underflow in Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.1 might allow remote peers to cause a denial of service or possibly obtain sensitive information from memory or execute arbitrary code via a crafted message.

Metrics

EPSS Probability

2.54%

83.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-191

Affected Software

Vendor	Product	Versions
Capnproto	Capnproto	<= 0.4.1.0
Capnproto	Capnproto	0.5.0.0
Capnproto	Capnproto	0.5.1.0

References

http://www.openwall.com/lists/oss-security/2015/03/17/3Mailing List, Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=780566Mailing List, Third Party Advisory
https://github.com/capnproto/capnproto/blob/master/security-advisories/2015-03-02-1-c%2B%2B-integer-underflow.mdThird Party Advisory
https://github.com/capnproto/capnproto/commit/26bcceda72372211063d62aab7e45665faa83633Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/03/17/3Mailing List, Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=780566Mailing List, Third Party Advisory
https://github.com/capnproto/capnproto/blob/master/security-advisories/2015-03-02-1-c%2B%2B-integer-underflow.mdThird Party Advisory
https://github.com/capnproto/capnproto/commit/26bcceda72372211063d62aab7e45665faa83633Third Party Advisory

Timeline

Published: Aug 9, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-2311?

How severe is CVE-2015-2311?

Severity scoring for CVE-2015-2311 is pending analysis. The EPSS model estimates a 2.54% probability of exploitation in the next 30 days.

How do I fix CVE-2015-2311?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-2311?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST