CVE-2021-28835
Buffer Overflow vulnerability in XNView before 2.50, allows local attackers to execute arbitrary...
Buffer Overflow vulnerability in XNView before 2.50, allows local attackers to execute arbitrary code via crafted GEM bitmap 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 before 2.50, allows local attackers to execute arbitrary code via crafted GEM bitmap file.
- Record
CVE-2021-28835- 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-2021-15489
Buffer Overflow vulnerability in XNView before 2.50, allows local attackers to execute arbitrary code via crafted GEM bitmap file.
- Record
EUVD-2021-15489- 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-m84c-gfw5-ggfh
Buffer Overflow vulnerability in XNView before 2.50, allows local attackers to execute arbitrary...
Buffer Overflow vulnerability in XNView before 2.50, allows local attackers to execute arbitrary code via crafted GEM bitmap file.
- Record
GHSA-m84c-gfw5-ggfh- 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 before 2.50, allows local attackers to execute arbitrary code via crafted GEM bitmap file.
- Record
CVE-2021-28835- 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-2021-28835 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 0.34%, the 27th percentile. No source names a fixed version.