CVE-2020-35133
irfanView 4.56 contains an error processing parsing files of type .pcx. Which leads to out-of...
irfanView 4.56 contains an error processing parsing files of type .pcx. Which leads to out-of-bounds writing at i_view32+0xdb60.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
irfanView 4.56 contains an error processing parsing files of type .pcx. Which leads to out-of-bounds writing at i_view32+0xdb60.
- Record
CVE-2020-35133- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-434
- Updated
- 2026-11-02
CVE List No score
irfanView 4.56 contains an error processing parsing files of type .pcx. Which leads to out-of-bounds writing at i_view32+0xdb60.
- Record
CVE-2020-35133- Updated
- 2026-11-02
EUVDEUVD-2020-22825 No score
irfanView 4.56 contains an error processing parsing files of type .pcx. Which leads to out-of-bounds writing at i_view32+0xdb60.
- Record
EUVD-2020-22825- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-26r7-84w5-c8mf No score
irfanView 4.56 contains an error processing parsing files of type .pcx. Which leads to out-of...
irfanView 4.56 contains an error processing parsing files of type .pcx. Which leads to out-of-bounds writing at i_view32+0xdb60.
- Record
GHSA-26r7-84w5-c8mf- Weakness
- CWE-434
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-35133 is a high vulnerability (CVSS 7.5) in Irfanview, published December 16, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.44%, the 91st percentile. No source names a fixed version.