CVE-2026-103432

high

Description

apcupsd through 3.14.14 has an sscanf stack-based buffer overflow in getupsvar() in src/cgi/upsfetch.c (used by upsstats.cgi, multimon.cgi, and upsfstats.cgi), a related issue to CVE-2026-15544.

References

https://sourceforge.net/projects/apcupsd/

https://github.com/therealbstern/apcupsd/blob/224d19d5faa508d04267f6135fe53d50800550de/src/cgi/upsfetch.c#L240

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-90027

https://bugzilla.redhat.com/show_bug.cgi?id=2493140

Details

Source: Mitre, NVD

Published: 2026-09-30

Updated: 2026-09-30

Risk Information

CVSS v2

Base Score: 7.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.1

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H