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CVE-2015-3194 is a NULL pointer dereference in OpenSSL RSA-PSS ASN.1 signature verification, in crypto/rsa/rsa_ameth.c. Processing an ASN.1 RSA-PSS signature that omits the mask generation function parameter causes the signature-verification routine to dereference a NULL pointer and crash. It affects OpenSSL 1.0.1 releases before 1.0.1q and OpenSSL 1.0.2 releases before 1.0.2e.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
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.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
OpenSSL certificate verification denial-of-service vulnerability due to NULL dereference in RSA-PSS ASN.1 signature handling.
An OpenSSL flaw fixed by the Red Hat JBoss Core Services httpd 2.4.23 update.
An OpenSSL flaw fixed by the Red Hat JBoss Core Services httpd 2.4.23 update.
An OpenSSL flaw fixed by this update.
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.