CVE-2013-3946
Heap-based buffer overflow in the MrSID plugin (MrSID.dll) before 4.37 for IrfanView allows...
CVE-2013-3946 is a high vulnerability (CVSS 7.8) in Extensis Mrsid, published January 2, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.49%, the 84th percentile. No source names a fixed version.
Heap-based buffer overflow in the MrSID plugin (MrSID.dll) before 4.37 for IrfanView allows remote attackers to execute arbitrary code via a levels header.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Heap-based buffer overflow in the MrSID plugin (MrSID.dll) before 4.37 for IrfanView allows remote attackers to execute arbitrary code via a levels header.
- Record
CVE-2013-3946- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
Heap-based buffer overflow in the MrSID plugin (MrSID.dll) before 4.37 for IrfanView allows remote attackers to execute arbitrary code via a levels header.
- Record
CVE-2013-3946- Updated
- 2026-11-02
EUVDEUVD-2013-3878 No score
Heap-based buffer overflow in the MrSID plugin (MrSID.dll) before 4.37 for IrfanView allows remote attackers to execute arbitrary code via a levels header.
- Record
EUVD-2013-3878- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-ph62-xvw6-h88g No score
Heap-based buffer overflow in the MrSID plugin (MrSID.dll) before 4.37 for IrfanView allows...
Heap-based buffer overflow in the MrSID plugin (MrSID.dll) before 4.37 for IrfanView allows remote attackers to execute arbitrary code via a levels header.
- Record
GHSA-ph62-xvw6-h88g- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD |