How severe is CVE-2010-2434?

CVE-2010-2434 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2010-2434 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-2434?

CVE-2010-2434 affects Ponsoftware Explzh. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2010-2434?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2010-2434 published?

CVE-2010-2434 was published on 2010-06-25 and last updated on 2026-06-16.

CVE-2010-2434

CVE-2010-2434 is a critical-severity vulnerability in Ponsoftware Explzh with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Ponsoftware Explzh
Published: 2010-06-25
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2010-2434?: 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.
How severe is CVE-2010-2434?: CVE-2010-2434 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2010-2434 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-2434?: CVE-2010-2434 affects Ponsoftware Explzh. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2010-2434?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2010-2434 published?: CVE-2010-2434 was published on 2010-06-25 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:ponsoftware:explzh:*:*:*:*:*:*:*:*

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