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TI-2021-09546 Aliases CVE-2021-28427GHSA-f7v7-77jr-jjqm

Buffer Overflow vulnerability in XNView version 2.49.3, allows local attackers to execute…

Priority LOW 36CWE-120Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

Buffer Overflow vulnerability in XNView version 2.49.3, allows local attackers to execute arbitrary code via crafted TIFF file.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00271 19th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:xnview:xnview:2.49.3:*:*:*:*:*:*:*2.49.3VulnerableXnView
  • cpe:2.3:a:xnview:xnview:2.49.3:*:*:*:*:*:*:* Versions 2.49.3 Vulnerable ·XnView

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-28427
  2. 2026-10-03 Alias added: GHSA-f7v7-77jr-jjqm

References

Patch 1

  • TI-2013-02281 Buffer overflow in XnView before 2.04 allows remote attackers to execute arbitrary code via a crafted PCT file. CVSS 2.0HIGH 9.3
  • TI-2010-01850 Heap-based buffer overflow in XnView 1.97.4 and possibly earlier allows remote attackers… CVSS 2.0HIGH 9.3
  • TI-2012-04214 Heap-based buffer overflow in the xjpegls.dll (aka JLS, JPEG-LS, or JPEG lossless) format… CVSS 2.0HIGH 9.3
  • TI-2009-03793 Integer overflow in XnView before 1.97.2 might allow remote attackers to execute… CVSS 2.0HIGH 9.3
  • TI-2013-03443 Out-of-bounds write in XnView CVSS 3.1CRITICAL 9.8
  • TI-2008-01398 Buffer overflow in XnView 1.92.1 allows user-assisted remote attackers to execute… CVSS 2.0HIGH 7.6
See all 155 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences