CVE-2015-2311
highpriority · track · 40EPSS 0.025 · 85 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (12)
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2015/03/17/3cnnvd
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=780566cnnvd
- https://github.com/capnproto/capnproto/blob/master/security-advisories/2015-03-02-1-c%2B%2B-integer-underflow.mdcnnvd
- https://github.com/capnproto/capnproto/commit/26bcceda72372211063d62aab7e45665faa83633cnnvd
- http://www.openwall.com/lists/oss-security/2015/03/17/3enisa_euvd
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=780566enisa_euvd
- https://github.com/capnproto/capnproto/blob/master/security-advisories/2015-03-02-1-c%2B%2B-integer-underflow.mdenisa_euvd
- https://github.com/capnproto/capnproto/commit/26bcceda72372211063d62aab7e45665faa83633enisa_euvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan