Bug 2544313 - CVE-2026-103432 apcupsd: apcupsd: Arbitrary code execution via stack-based buffer overflow in getupsvar [fedora-all]
Summary: CVE-2026-103432 apcupsd: apcupsd: Arbitrary code execution via stack-based bu...
Keywords:
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: apcupsd
Version: rawhide
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Gwyn Ciesla
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["e2821afa-b13d-489d-9257-0...
Depends On:
Blocks: CVE-2026-103432
TreeView+ depends on / blocked
 
Reported: 2026-09-30 20:35 UTC by Vladimir Vasilev
Modified: 2026-09-30 20:35 UTC (History)
3 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Type: ---
Embargoed:

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Description Vladimir Vasilev 2026-09-30 20:35:15 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

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.
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