Is CVE-2011-3494 being actively exploited?

CVE-2011-3494 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-3494?

CVE-2011-3494 has a CVSS 2.0 base score of 10.0 (HIGH).

CVE-2011-3494

HIGH · CVSS 10.0EPSS 55.8%EU EUVD

WinSig.exe in eSignal 10.6.2425 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via (1) a long StyleTemplate element in a QUO, SUM or POR file, which triggers a stack-based buffer overflow, or (2) a long Font->FaceName field (aka FaceName element), which triggers a heap-based buffer overflow. NOTE: some of these details are obtained from third party information.

Key facts

CVSS score: 10.0 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-119
EPSS score: 55.8% (99th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-3457)
Published: September 16, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-3457 in the EU Vulnerability Database. Last updated in EUVD on September 17, 2024.

View on the EU Vulnerability Database

Affected products

interactivedata / esignal
interactivedata / esignal

References

http://aluigi.altervista.org/adv/esignal_1-adv.txt(Exploit)
http://secunia.com/advisories/45966(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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