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CVE-2012-2110 is a numeric-conversion flaw in OpenSSL's asn1_d2i_read_bio function, used by BIO- and FILE-based d2i ASN.1 decoding routines. Malformed DER-encoded ASN.1 length or integer data can be interpreted incorrectly during parsing, leading to an undersized allocation or invalid buffer-size calculation followed by a buffer overflow and memory corruption. It affects OpenSSL before 0.9.8v, 1.0.0 before 1.0.0i, and 1.0.1 before 1.0.1a.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
OpenSSL ASN.1 numeric-conversion buffer overflow with potential arbitrary code execution.
ASN.1 parsing numeric conversion errors in OpenSSL BIO inputs leading to buffer overflow and possible code execution
OpenSSL buffer overflow vulnerability in ASN.1 parsing from BIO inputs that may lead to crash or potential arbitrary code execution.
A potentially exploitable vulnerability in OpenSSL's asn1_d2i_read_bio function affecting applications that use BIO or FILE based functions to read untrusted DER-formatted data.
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.