synced 11 MIN AGO
01 Record

CVE-2023-48230

Cap'n Proto WebSocket message can cause crash

MediumPUBLISHEDCNA: GitHub_M
CNA base score5.9 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

02 Description

Cap'n Proto WebSocket message can cause crash

03 Exploitation and scoring

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
1.88% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 79.3% 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:3.1/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.

04 Metadata

Published
2023-11-21 20:53Z2 YR AGO
Last updated
2024-08-02 21:23Z2 YR AGO
Reserved
2023-11-13
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
Medium (CVSS 5.9)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
  • CWE-124Buffer Underwrite ('Buffer Underflow')Base
  • CWE-787Out-of-bounds WriteBase
Data version
5.1
Document digest
70e9a464afd57910f5cef29ee039c6fe1be598322b8632a2da0d250c27d83682

05 Affected products

VendorProductVersionsPlatforms
capnprotocapnproto>= 1.0, < 1.0.1.1—

06 References

07 Fixed in

Debian 13

  • capnproto
    Fixed in 1.0.1-3

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • capnproto
    Fixed in 1.0.1-3

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.