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CVE-2023-2976 is an insecure temporary-file creation vulnerability in Google Guava's FileBackedOutputStream. On Unix systems and Android Ice Cream Sandwich, Guava versions 1.0 through 31.1 create files in Java's default temporary directory. Other local users or applications that can access that directory may access files created by the class.
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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.
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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.
29 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A local vulnerability affecting Unity Linux / UOS Server systems, requiring low privileges and allowing high-impact compromise of confidentiality and integrity. The content identifies available exploits and a published patch.
An insecure temporary-directory-creation vulnerability in Guava.
Insecure temporary-directory creation vulnerability in Guava.
Insecure temporary-directory creation vulnerability in Guava.
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.