CVE-2026-7531
Critical · 9.8CVSS
9.8
EPSS
0.5%
Published
Jun 25, 2026
CISA due date
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The record
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
| Ecosystem | Package | Introduced | Fixed |
|---|
Related vulnerabilities
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- CVE-2026-109619 PHP has various global state that temporarily points into request memory. CWE-416
- CVE-2026-112402 Pillow is a Python imaging library. CWE-416
- CVE-2026-112396 Pillow is a Python imaging library. CWE-416
- CVE-2025-55654 A use-after-free in the gf_filter_pid_get_packet function (filter_core/filter_pid.c) of… CWE-416
- CVE-2026-17591 A flaw was found in libarchive. CWE-416
- CVE-2026-92392 During an upload, curl mishandles HTTP/2 `RST_STREAM` received from the server (with… CWE-416
- CVE-2026-109268 ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 contains a use after free… CWE-416