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CVE-2015-5237 is a heap-based buffer overflow in Google Protocol Buffers (protobuf). Affected protobuf deployments can process attacker-controlled protocol-buffer data in a manner that corrupts heap memory. The issue was identified in protobuf-java 2.5.0 and in Apache Kudu client 1.3.0 through its protobuf dependency.
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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.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Dependency vulnerability affecting old Kudu client and Protocol Buffers Java components.
High-severity vulnerability in outdated Kudu and Protocol Buffers dependencies.
Potential dependency vulnerability in the listed package versions.
Known dependency vulnerability in Drill's Kudu client and Protobuf Java dependencies.
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.