CVE-2021-28427
Buffer Overflow vulnerability in XNView version 2.49.3, allows local attackers to execute...
Buffer Overflow vulnerability in XNView version 2.49.3, allows local attackers to execute arbitrary code via crafted TIFF file.
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
CVE List Score used
Buffer Overflow vulnerability in XNView version 2.49.3, allows local attackers to execute arbitrary code via crafted TIFF file.
- Record
CVE-2021-28427- CVSS 3.1
- 7.8 High
CVSS:3.1/AC:L/AV:L/A:H/C:H/I:H/PR:N/S:U/UI:R - Updated
- 2026-11-02
EUVDEUVD-2021-15106
Buffer Overflow vulnerability in XNView version 2.49.3, allows local attackers to execute arbitrary code via crafted TIFF file.
- Record
EUVD-2021-15106- CVSS 3.1
- 7.8 High
CVSS:3.1/AC:L/AV:L/A:H/C:H/I:H/PR:N/S:U/UI:R - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f7v7-77jr-jjqm
Buffer Overflow vulnerability in XNView version 2.49.3, allows local attackers to execute...
Buffer Overflow vulnerability in XNView version 2.49.3, allows local attackers to execute arbitrary code via crafted TIFF file.
- Record
GHSA-f7v7-77jr-jjqm- 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 - Weakness
- CWE-120
- Updated
- 2026-11-02
NVD
Buffer Overflow vulnerability in XNView version 2.49.3, allows local attackers to execute arbitrary code via crafted TIFF file.
- Record
CVE-2021-28427- 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 - Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-28427 is a high vulnerability (CVSS 7.8) in Xnview, published August 11, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. No source names a fixed version.