Vulnerability · CVE-2025-13763
Multiple uses of uninitialized variables were found in libopensc that may lead to information disclosure or application crash.
Published Apr 23, 2026 · catalog updated Oct 14, 2026 · Multiple uses of uninitialized
Check if you run it
No confirmed exploitation is on record for CVE-2025-13763. EPSS is 0.27%. Act only if a listed version of Multiple uses of uninitialized is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (Multiple uses of uninitialized).
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium5.7
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.27%
- Remediation
- Advisory link
- Affected products
- See sources for product scope
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
No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.
How to fix CVE-2025-13763
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-13763. EPSS is 0.27%. Act only if a listed version of Multiple uses of uninitialized is installed.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-457. EPSS 0.27%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Apr 23, 2026 · NIST NVD
Detected
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
Oct 14, 2026 · NIST NVD
Updated
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
Sources
- CVE.orgVulnerability recordCVE-2025-13763
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-13763
30-day exploitation probability 0.3%
first.org - NIST NVDVulnerability recordCVE-2025-13763
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
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.