Is CVE-2010-2434 being actively exploited?

CVE-2010-2434 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2010-2434?

CVE-2010-2434 has a CVSS 2.0 base score of 9.3 (HIGH).

CVE-2010-2434

HIGH · CVSS 9.3EPSS 5.4%EU EUVD

Buffer overflow in Arcext.dll 2.16.1 and earlier in pon software Explzh 5.62 and earlier allows remote attackers to execute arbitrary code via an LZH LHA file with a crafted header that is not properly handled during expansion.

Key facts

CVSS score: 9.3 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-120
EPSS score: 5.4% (93th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2010-2443)
Published: June 25, 2010
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2010-2443 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

ponsoftware / explzh

References

http://jvn.jp/en/jp/JVN34729123/index.html(Third Party Advisory, Vendor Advisory)
http://jvndb.jvn.jp/ja/contents/2010/JVNDB-2010-000026.html(Third Party Advisory, VDB Entry)
http://osvdb.org/65666(Broken Link)
http://secunia.com/advisories/40324(Third Party Advisory, Vendor Advisory)
http://www.ponsoftware.com/archiver/bug.htm#lzh_bufover(Vendor Advisory)
http://www.securityfocus.com/bid/41025(Third Party Advisory, VDB Entry)
https://exchange.xforce.ibmcloud.com/vulnerabilities/59624(Third Party Advisory, VDB Entry)

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

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