CVE-2023-52173Public exploitNetwork attack vector

Process memory corruption via out-of-bounds write

Published Dec 29, 2023 · Updated Aug 27, 2024

Out-of-bounds write in XnView Classic before 2.51.3 on Windows allows remote attackers to corrupt process memory via unspecified input. At xnview.exe+0x3ADBD0, the application writes beyond an accessible memory region; public records do not identify the input format or parsing path. NVD reports that no privileges or user interaction are required, while the public artifact demonstrates an access violation rather than code execution.

CVSS severity9.8
Critical
EPSS probability0.58%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in XnView Classic before 2.51.3 on Windows allows remote attackers to corrupt process memory via unspecified input. At xnview.exe+0x3ADBD0, the application writes beyond an accessible memory region; public records do not identify the input format or parsing path. NVD reports that no privileges or user interaction are required, while the public artifact demonstrates an access violation rather than code execution.

The record

CVE
CVE-2023-52173
Published
Dec 29, 2023
Updated
Aug 27, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-787, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 29, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 27, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1499Endpoint Denial of Service

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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