What is CVE-2021-28835?

CVE-2021-28835 is a high-severity vulnerability in Xnview, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2023-08-11.

How severe is CVE-2021-28835?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2021-28835 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Xnview

CVE-2021-28835

Buffer Overflow vulnerability in XNView before 2.50, allows local attackers to execute arbitrary code via crafted GEM bitmap file.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (24.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Xnview
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Release Notes)
cve@mitre.org (Release Notes)

Frequently asked questions

What is CVE-2021-28835?: CVE-2021-28835 is a high-severity vulnerability in Xnview, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2023-08-11.
How severe is CVE-2021-28835?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-28835 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.