CVE-2015-2311

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.54% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 84.8% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2017-08-09 18:00Z9 YR AGO

Last updated

2024-08-06 05:10Z2 YR AGO

Reserved

2015-03-17

Assigning CNA

debian

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-191Integer Underflow (Wrap or Wraparound)Base

Data version

5.1

Document digest

9a5ab011ae0b4c1f74b31834b079a6149323e86fd96ac83c4b0f38fa2de69f47

• bugs.debian.orghttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=780566x_refsource_MISC
• www.openwall.com[oss-security] 20150317 Re: CVE Request: Cap'n Proto: Several issueshttp://www.openwall.com/lists/oss-security/2015/03/17/3mailing-listx_refsource_MLIST
• github.comhttps://github.com/capnproto/capnproto/blob/master/security-advisories/2015-03-02-1-c%2B%2B-integer-underflow.mdx_refsource_CONFIRM
• github.comhttps://github.com/capnproto/capnproto/commit/26bcceda72372211063d62aab7e45665faa83633x_refsource_CONFIRM