What is CVE-2017-15874?

CVE-2017-15874 is a medium-severity vulnerability in Busybox, classified under Integer Underflow. CVSS score: 5.0/10. Published 2017-10-24.

How severe is CVE-2017-15874?

Medium severity. CVSS v3 base score is 5.0 out of 10.

Integer overflow in Busybox

CVE-2017-15874

archival/libarchive/decompress_unlzma.c in BusyBox 1.27.2 has an Integer Underflow that leads to a read access violation.

Published 2017-10-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.009 (58.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Busybox — versions 1.27.2

Weakness classification (CWE)

CWE-191 — Integer Underflow

References

bugs.busybox.net/show_bug.cgi (Exploit, Patch, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2017-15874?: CVE-2017-15874 is a medium-severity vulnerability in Busybox, classified under Integer Underflow. CVSS score: 5.0/10. Published 2017-10-24.
How severe is CVE-2017-15874?: Medium severity. CVSS v3 base score is 5.0 out of 10.