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CVE-2026-14457 is a NULL pointer dereference in OpenSSL TLS signature-algorithm selection for RFC 7250 Raw Public Key (RPK) deployments. It occurs when a TLS client or server has RPK support enabled and is configured with only a local private key, without an associated certificate, and the remote peer negotiates raw public keys while supplying the normally omitted signature_algorithms_cert TLS extension. The vulnerable path dereferences the absent certificate.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
14 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Low-severity null-pointer dereference affecting OpenSSL TLS Raw Public Key configurations that use a key without an accompanying certificate.
An OpenSSL vulnerability addressed by Debian DSA-6465-1; the advisory characterizes the grouped issues as potentially causing denial of service.
An OpenSSL-related vulnerability referenced by CVE ID only; the content provides no technical details.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.