What is CVE-2019-8996?

CVE-2019-8996 is a critical-severity vulnerability in Signiant Manager\+agents, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2019-02-21.

How severe is CVE-2019-8996?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Signiant Manager\+agents

CVE-2019-8996

In Signiant Manager+Agents before 13.5, the implementation of the set command has a Buffer Overflow.

Vulnerability class: Buffer Overflow

Published 2019-02-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.016 (75.5th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Signiant Manager\+agents

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

help.signiant.com/manager-agents/installation/release-notes/ (Release Notes, Vendor Advisory)
help.signiant.com/flight-deck/general/release-notes-13-5 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2019-8996?: CVE-2019-8996 is a critical-severity vulnerability in Signiant Manager\+agents, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2019-02-21.
How severe is CVE-2019-8996?: Critical severity. CVSS v3 base score is 9.8 out of 10.