critical
CVE-2026-7531
Use-after-free in PQC hybrid key-share handling. This is an incomplete ...
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.
Severity by source
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Julia2.3CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Julia (low).
Description
Use-after-free in PQC hybrid key-share handling. This is an incomplete-fix follow-up to CVE-2026-5460 (released in 5.9.1): a malicious TLS 1.3 server sending a truncated PQC hybrid KeyShare can still trigger the error cleanup path to operate on freed memory.
Affected packages and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| alpine 3.24 | wolfssl | 5.9.2-r0 |
| alpine edge | wolfssl | 5.9.2-r0 |
| debian 11 | wolfssl | no fix listed |
| debian 12 | wolfssl | no fix listed |
| debian 13 | wolfssl | no fix listed |
| echo | wolfssl | no fix listed |
| julia::Julia Ecosystem Security Advisories | wolfSSL_jll | 5.9.2+0 |
| rapidfort alpine 3.20 | wolfssl | 5.9.2-r0 |
| rapidfort alpine 3.21 | wolfssl | 5.9.2-r0 |
| rapidfort alpine 3.22 | wolfssl | 5.9.2-r0 |
| rapidfort alpine 3.23 | wolfssl | 5.9.2-r0 |
| rapidfort alpine 3.24 | wolfssl | 5.9.2-r0 |
Show all 14 entries from 14 sources
| Source | Package | Fixed in |
|---|---|---|
| alpine 3.24 | wolfssl | 5.9.2-r0 |
| alpine edge | wolfssl | 5.9.2-r0 |
| debian 11 | wolfssl | no fix listed |
| debian 12 | wolfssl | no fix listed |
| debian 13 | wolfssl | no fix listed |
| echo | wolfssl | no fix listed |
| julia::Julia Ecosystem Security Advisories | wolfSSL_jll | 5.9.2+0 |
| rapidfort alpine 3.20 | wolfssl | 5.9.2-r0 |
| rapidfort alpine 3.21 | wolfssl | 5.9.2-r0 |
| rapidfort alpine 3.22 | wolfssl | 5.9.2-r0 |
| rapidfort alpine 3.23 | wolfssl | 5.9.2-r0 |
| rapidfort alpine 3.24 | wolfssl | 5.9.2-r0 |
| rapidfort debian 12 | wolfssl | 0:5.9.2-1 |
| rapidfort debian 13 | wolfssl | 0:5.9.2-1 |