swift-crypto vulnerabilities and fixes
Recent CVEs affecting swift-crypto, with upgrade or downgrade steps. 1 tracked.
Also searched as: swift crypto.
swift-crypto has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-07-23. Highest priority: CVE-2026-43823 (score 43/100).
- CVE-2026-43823 HIGH 7.5 UPGRADE When initializing an RSA public key from DER or PEM bytes throws an error, the EVP_PKEY* is double-freed: firs
FAQ
How do I fix swift-crypto vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is swift-crypto being exploited right now?
None of the tracked swift-crypto CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which swift-crypto CVE should I patch first?
CVE-2026-43823 currently ranks highest (43/100): When initializing an RSA public key from DER or PEM bytes throws an error, the EVP_PKEY* is double-freed: firs.