Security readout for executives and security teams
Plain-English summary
CVE-2017-10756 concerns XnView Classic for Windows 2.40. A specially crafted .rle image may crash the application and could have unspecified other impact. The available sources do not provide a CVSS score, confirmed exploit activity, or a named patch.
Executive priority
Handle through normal vulnerability management unless the software is used on systems processing untrusted images. There is no source-backed evidence of active exploitation, but unsupported file parsers can create avoidable operational risk.
Technical view
The CVE describes a crafted .rle file causing denial of service or unspecified impact in XnView Classic 2.40. The reported crash condition involves faulting-address data influencing branch selection in ntdll RtlpRemoveUCRBlock. No CWE, CPE, CVSS, or fix details are present in the supplied sources.
Likely exposure
Exposure is limited to Windows systems with XnView Classic 2.40 that open untrusted .rle files. Risk is higher where users process externally supplied image files, archives, email attachments, or downloaded media.
Exploitation context
The source bundle does not show CISA KEV listing, active exploitation, public weaponization, or exploit maturity. Treat this as a file-parsing crash risk unless vendor or advisory evidence adds more impact detail.
Researcher notes
Evidence is thin: no CVSS, CWE, CPE, patch reference, or exploit-status detail is included. The product and version come from the CVE description, while the only advisory reference is the GitHub security advisory path.
Mitigation direction
- Inventory Windows endpoints for XnView Classic 2.40.
- Avoid opening untrusted .rle files in affected installations.
- Check XnView vendor guidance for supported or fixed versions.
- Remove obsolete installations where the application is not required.
Validation and detection
- Confirm installed XnView Classic versions on managed Windows systems.
- Review whether .rle files are associated with XnView Classic.
- Check endpoint crash telemetry for XnView crashes after opening .rle files.
- Verify any upgrade or removal against vendor release guidance.
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-2017-10756 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-2017-10756CVE 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.