When seven German journalist students do a better job of tracking down the sources of the drone flights over Europe than the security services...
...on the topic of argv[0] being mutable https://social.treehouse.systems/@grawity/114910244850655560
Day 12 of Advent of Compiler Optimisations!
Your loop checks the same condition every iteration, even though it never changes. Seems wasteful, right? The compiler thinks so too—and its solution is something that sounds completely backwards. Making your code bigger to make it faster? What's the trick?
Read more: https://xania.org/202512/12-loop-unswitching
Watch: https://youtu.be/-VCrYshE7iQ
Free Micropatches for Windows Remote Access Connection Manager DoS (0day)
https://blog.0patch.com/2025/12/free-micropatches-for-windows-remote.html
If you just updated React / NextJS for #react2shell , you now get to update again. Two additional vulnerabilities identified in follow-up work were just published: CVE-2025-55183 (DoS), CVE-2025-55184 (Source Code Exposure)
Finally pushed an update to my #DecemberAdventure
tl;dr life is distracting and having a young kid makes this harder to keep-up with
Exim 4.99: Remote heap corruption https://www.openwall.com/lists/oss-security/2025/12/10/1
In vulnerable configurations, a remote, unauthenticated attacker can achieve heap corruption. No exploit for remote code execution yet, but it may be possible. No further details published yet, until the fix goes public.
CVE-2025-66293: libpng: Out-of-bounds read vulnerability fixed in 1.6.52 https://www.openwall.com/lists/oss-security/2025/12/03/5
Unlike typical image parsing vulnerabilities, this bug is triggered by valid PNG files. Web browsers use the low-level API rather than the simplified API and are not affected by this.