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Fencer Intel
high 7.3

CVE-2022-32543 json

An integer overflow vulnerability exists in the way ESTsoft Alyac 2.5.8.544 parses OLE files.

published 4y ago modified 4mo ago also EUVD-2022-35611

cvss
7.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

An integer overflow vulnerability exists in the way ESTsoft Alyac 2.5.8.544 parses OLE files. A specially-crafted OLE file can lead to a heap buffer overflow which can result in arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
last yr.

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2022-1527 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 7.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • ESTsoft Alyac

Classification

Weakness
  • CWE-680 Integer Overflow to Buffer Overflow
  • CWE-190 Integer Overflow or Wraparound

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.