How severe is CVE-2013-3944?

CVE-2013-3944 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2013-3944 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 28% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-3944?

CVE-2013-3944 affects Extensis Mrsid. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-3944?

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

When was CVE-2013-3944 published?

CVE-2013-3944 was published on 2020-01-02 and last updated on 2026-06-16.

CVE-2013-3944

CVE-2013-3944 is a high-severity vulnerability in Extensis Mrsid with a CVSS 3.x base score of 7.8. Its EPSS exploit-prediction score of 28% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 28% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Extensis Mrsid
Published: 2020-01-02
Last modified: 2026-06-16

Description

Stack-based buffer overflow in the MrSID plugin (MrSID.dll) before 4.37 for IrfanView allows remote attackers to execute arbitrary code via an IMAGE tag.

Frequently asked questions

What is CVE-2013-3944?: Stack-based buffer overflow in the MrSID plugin (MrSID.dll) before 4.37 for IrfanView allows remote attackers to execute arbitrary code via an IMAGE tag.
How severe is CVE-2013-3944?: CVE-2013-3944 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2013-3944 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 28% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-3944?: CVE-2013-3944 affects Extensis Mrsid. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-3944?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2013-3944 published?: CVE-2013-3944 was published on 2020-01-02 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:extensis:mrsid:*:*:*:*:*:irfanview:*:*

More vulnerabilities in Extensis Mrsid

CVE-2013-3946 — High (CVSS 7.8): Heap-based buffer overflow in the MrSID plugin (MrSID.dll) before 4.37 for IrfanView allows remote attackers to execute…
CVE-2013-3945 — High (CVSS 7.8): The MrSID plugin (MrSID.dll) before 4.37 for IrfanView allows remote attackers to execute arbitrary code via a nband…

All CVEs affecting Extensis Mrsid →

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