CVE•Published 2026-09-12•0 articles on news•4 live references•NVD data
CVE-2026-90556
Vulnerability data via NVD (ingested)
CVSS v3.1
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS percentile
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Weaknesses (CWE)
Description
Freeciv versions before 3.2.6 contain a heap buffer overflow in worklist_load() when processing savegame files with declared worklist lengths exceeding the fixed array bound of 64 elements. Attackers can craft malicious savegame files that write past the entries array into adjacent heap-allocated struct fields, potentially corrupting memory when a user or server operator loads the file.
Timeline
Published 2026-09-12
Modified 2026-09-12
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-90556Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-90556Censys host search filtered to this CVE id.
grep.app
CVE-2026-90556Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-90556GitHub code search for direct mentions.
Google dork
"CVE-2026-90556" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-90556 on GitHub.
We haven't classified any articles referencing CVE-2026-90556 yet. The external references above still apply.