How severe is CVE-2012-4988?

CVE-2012-4988 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2012-4988 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4988?

CVE-2012-4988 primarily affects Xnview. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-4988?

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-2012-4988 published?

CVE-2012-4988 was published on 2014-07-09 and last updated on 2026-06-16.

CVE-2012-4988

CVE-2012-4988 is a critical-severity vulnerability in Xnview 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-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Xnview
Published: 2014-07-09
Last modified: 2026-06-16

Description

Heap-based buffer overflow in the xjpegls.dll (aka JLS, JPEG-LS, or JPEG lossless) format plugin in XnView 1.99 and 1.99.1 allows remote attackers to execute arbitrary code via a crafted JLS image file.

Frequently asked questions

What is CVE-2012-4988?: Heap-based buffer overflow in the xjpegls.dll (aka JLS, JPEG-LS, or JPEG lossless) format plugin in XnView 1.99 and 1.99.1 allows remote attackers to execute arbitrary code via a crafted JLS image file.
How severe is CVE-2012-4988?: CVE-2012-4988 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2012-4988 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4988?: CVE-2012-4988 primarily affects Xnview. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4988?: 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-2012-4988 published?: CVE-2012-4988 was published on 2014-07-09 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:xnview:xnview:1.99:*:*:*:*:*:*:*
cpe:2.3:a:xnview:xnview:1.99.1:*:*:*:*:*:*:*

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