Answer in brief
CVE-2025-13763 records a Medium severity (CVSS 5.7) vulnerability in Libopensc: opensc: multiple uses of uninitialized variable. The current sources do not mark it as known exploited. The current feed maps OpenSC/OpenSC (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps OpenSC/OpenSC (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| OpenSC/OpenSCgeneric | >=0 <0.27.0 | 0.27.0 |
Published upstream
Apr 23, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jun 30, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 25, 2026
Multiple uses of uninitialized variables were found in libopensc that may lead to information disclosure or application crash. An attack requires a crafted USB device or smart card that would present the system with specially crafted responses to the APDUs
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2025-13763 records a Medium severity (CVSS 5.7) vulnerability in Libopensc: opensc: multiple uses of uninitialized variable. The current sources do not mark it as known exploited. The current feed maps OpenSC/OpenSC (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps OpenSC/OpenSC (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| OpenSC/OpenSCgeneric | >=0 <0.27.0 | 0.27.0 |
Published upstream
Apr 23, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jun 30, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 25, 2026
Multiple uses of uninitialized variables were found in libopensc that may lead to information disclosure or application crash. An attack requires a crafted USB device or smart card that would present the system with specially crafted responses to the APDUs
Quoted source text, attributed separately from HOL analysis.