What is CVE-2024-45287?

CVE-2024-45287 is a high-severity vulnerability in FreeBSD, classified under Incorrect Calculation of Buffer Size. CVSS score: 7.5/10. Published 2024-09-05.

How severe is CVE-2024-45287?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2024-45287 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Integer overflow in FreeBSD

CVE-2024-45287

A malicious value of size in a structure of packed libnv can cause an integer overflow, leading to the allocation of a smaller buffer than required for the parsed data.

Published 2024-09-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (41.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

FreeBSD — versions 13.3, 13.4, 14.0

Weakness classification (CWE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

security.freebsd.org/advisories/FreeBSD-SA-24:09.libnv.asc (vendor-advisory, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2024-45287?: CVE-2024-45287 is a high-severity vulnerability in FreeBSD, classified under Incorrect Calculation of Buffer Size. CVSS score: 7.5/10. Published 2024-09-05.
How severe is CVE-2024-45287?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-45287 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.