Security readout for executives and security teams
Plain-English summary
XnView Classic for Windows 2.40 can be crashed by a crafted .rle image file, and the CVE notes possible unspecified additional impact. This matters where users open untrusted image files in that legacy viewer. The source bundle does not provide CVSS, CWE, CPE, exploit-in-the-wild, or patch details.
Executive priority
Do not treat this as an internet-wide emergency based on the available evidence. Give it targeted attention for legacy Windows workstations that process external image files, especially in support, design, or analysis workflows.
Technical view
The reported issue is triggered by a crafted .rle file in XnView Classic 2.40 for Windows. The CVE description references faulting-address data influencing branch selection around ntdll heap allocation. Public data in the bundle does not define root cause, CWE, affected CPEs, or confirmed code execution.
Likely exposure
Exposure appears limited to Windows endpoints running XnView Classic 2.40 and opening untrusted .rle files. The provided affected-product metadata is incomplete, so confirm through asset inventory rather than relying on CPE matching.
Exploitation context
The bundle supports a crafted-file denial-of-service scenario and possible unspecified impact. It does not show CISA KEV listing, active exploitation, public weaponization, or a named exploit path. Treat exploitation as user-assisted unless vendor evidence says otherwise.
Researcher notes
Evidence is thin. The CVE text suggests memory-corruption-adjacent behavior near heap allocation, but only denial of service and unspecified other impact are stated. No CWE, CVSS, CPE, patch, or active exploitation evidence is included in the supplied sources.
Mitigation direction
- Identify and remove or upgrade XnView Classic 2.40 installations.
- Check XnView or advisory guidance for fixed versions or vendor mitigations.
- Block or warn on untrusted .rle attachments and downloads.
- Review file associations so .rle files do not open in the vulnerable viewer.
- Prioritize users who process externally supplied image files.
Validation and detection
- Search software inventory for XnView Classic 2.40 on Windows endpoints.
- Verify whether .rle files are associated with XnView Classic.
- Review endpoint crash telemetry for XnView failures after opening image files.
- Confirm whether users receive .rle files from external sources.
- Document whether a vendor-supported upgrade or removal was completed.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2017-10761 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/wlinzi/security_advisories/tree/master/CVE-2017-10761CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.