What is CVE-2015-7510?

CVE-2015-7510 is a critical-severity vulnerability in Systemd Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-09-25.

How severe is CVE-2015-7510?

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

Buffer overflow in Systemd Project

CVE-2015-7510

Stack-based buffer overflow in the getpwnam and getgrnam functions of the NSS module nss-mymachines in systemd.

Vulnerability class: Buffer Overflow

Published 2017-09-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.043 (91.1th percentile), scored 2026-10-20.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.043 · newest: 0.043 · change: 0.000

Affected products

Systemd Project — versions 223

Weakness classification (CWE)

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

References

github.com/systemd/systemd/issues/2002 (Exploit, Patch, Third Party Advisory)
github.com/keszybz/systemd/commit/cb31827d62066a04b02111df3052949fda4b6888 (Patch, Third Party Advisory)
bugzilla.redhat.com/show_bug.cgi (Patch, VDB Entry, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2015-7510?: CVE-2015-7510 is a critical-severity vulnerability in Systemd Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-09-25.
How severe is CVE-2015-7510?: Critical severity. CVSS v3 base score is 9.8 out of 10.