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> The vulnerability was privately disclosed to Apache by Alibaba's Cloud Security Team on 24 November 2021 and publicly disclosed on 9 December 2021.

https://en.wikipedia.org/wiki/Log4Shell

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It was being exploited in the wild at least as early as Dec 1st (based on log analysis I've seen). The rate of attempted exploits went WAY up after the 9th.

That still seems like an extremely small window of time to remain on the good side of "responsible disclosure" for a vulnerability of this magnitude. The fix was only released 3 days before public disclosure.

From what I read the patch is public and when someone saw it figured it out and publicly shared it.

Embargoing is very tricky and often harmful. Attackers know how to catch embargo'd vulns, it's often really easy, like in the case of the Linux kernel. If attackers have advanced notice you're only hurting defenders by hiding things from them.

We know that two weeks before disclosure there are attacks using this exploit. Somehow had clearly figured it out, so hiding it was only going to cause problems.

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