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CVE-2016-7055 is a carry-propagation defect in OpenSSL's Broadwell-specific Montgomery multiplication implementation. The flaw affects operations on input lengths greater than 256 bits that are divisible by 256 bits, and can yield incorrect cryptographic calculations. It affects OpenSSL 1.0.2 releases before 1.0.2k and OpenSSL 1.1.0 releases before 1.1.0c. The vulnerable routine can cause transient authentication or key-negotiation failures and reproducible incorrect public-key-operation results when supplied specially crafted input. Among elliptic-curve algorithms, Brainpool P-512 is affected.
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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.
11 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An OpenSSL carry-propagation defect in Montgomery multiplication.
An OpenSSL carry-propagation flaw in Montgomery multiplication.
An OpenSSL carry-propagation flaw in Montgomery multiplication. The advisory supplies updated packages.
A low-severity OpenSSL flaw in the Broadwell-specific Montgomery multiplication implementation. Incorrect carry propagation can yield invalid public-key operation results and may affect Brainpool P-512 ECDH negotiation in limited configurations.
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.