Cve-2025-43330: Breaking Out of a Sandbox Using Font Files
Posted4 months agoActive4 months ago
bsssq.xyzTechstory
calmneutral
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20/100
SecurityVulnerabilitySandbox
Key topics
Security
Vulnerability
Sandbox
A security vulnerability (CVE-2025-43330) allowing sandbox escape using font files is discussed.
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- 01Story posted
Sep 17, 2025 at 11:08 AM EDT
4 months ago
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Sep 17, 2025 at 11:16 AM EDT
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Sep 17, 2025 at 2:11 PM EDT
4 months ago
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Discussion (3 comments)
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faxmeyourcodeAuthor
4 months ago
1 replyI am not the author of this post. The exploration of the scheme based sandbox permissions DSL was interesting to me. It's a classic issue of a custom parser with bad input validation.
bsssq
4 months ago
1 replythanks for sharing! yes, it's a textbook vulnerability that was really quite trivial to exploit.
faxmeyourcodeAuthor
4 months ago
It was a fun read - digestible for those of us without a ton of experience in advanced security background knowledge.
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ID: 45276778Type: storyLast synced: 11/17/2025, 4:02:53 PM
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