wolfssl: A CRL critical extension bypass exists in ParseCRL_Extensions where critical extensions are not properly enforced, al...
CVE-2026-6450 is fixed in wolfssl on 1 platform, first by DEBIAN-CVE-2026-6450, released July 18, 2026. It is not reported as exploited. Patch Radar priority: Routine.
A CRL critical extension bypass exists in ParseCRL_Extensions where critical extensions are not properly enforced, allowing a crafted CRL with an unhandled critical extension to be accepted. This only affects builds with CRL support enabled and where a crafted CRL had a trusted signature when parsed.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| wolfssl · Debian 12.15 (bookworm) | 5.5.4-2+deb12u3 | DEBIAN-CVE-2026-6450 | Jul 18, 2026 |
| wolfssl · Debian 13.5 (trixie) | 5.7.2-0.1+deb13u2 | DEBIAN-CVE-2026-6450 | Jul 18, 2026 |
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