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Actively exploited sandbox RCE in all Chromium versions

nvd.nist.gov

231–240 of 527 posts

Re: Actively exploited sandbox RCE in all Chromium versions

#231
post #186

$1k for this vuln is laughable. If the researcher wrote an exploit as the nday exploit devs did and sold it in the gray market they would of got significantly more.

Anyone who sells such an exploit should go to prison.

Agreed--if you can catch them of course.

Re: Actively exploited sandbox RCE in all Chromium versions

#232
post #40
post #14

Earlier quoted context omitted.

This issue is already fixed in Google Chrome (152.0.7977.83)

TFA says > Type confusion in V8 in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. So it was fixed in 152.0.7977.82 (before .83), if I read that right.

You read that right. From the article:

"Affected products: ... Up to (excluding) 152.0.7977.82"

.82 is fixed.

Re: Actively exploited sandbox RCE in all Chromium versions

#233

Let's take a moment to talk about the monetary value of this vulnerability. According to the Chrome release page ( https://chromereleases.googleblog.com/2026/09/stable-channel... ), Google paid a researcher $1000 for ethically reporting this. The CVE associated with it (CVE-2026-85046) is already being exploited in the wild. If we put our thinking caps on, how much do you think this vulnerability is actually worth? H…

You've been on HN for 16 years and still comment the lowest brow possible comment on security vulnerability threads that the bounty isn't big enough. How many times do we need to have a top comment crying about the same thing? If you think its too little, sell the exploits you find for more.

Re: Actively exploited sandbox RCE in all Chromium versions

#235
post #111

Earlier quoted context omitted.

we really do not want to engineer a system in which using bugs to make money is considered economically legitimate activity. It is still crime. The main reason to report bugs and get the bounties for doing so is still because it makes the world safer and healthier. The money is there to make is to incentivize the work of finding and reporting them -- not to outbid the bad actors.

"Crime" is very flexible term. One country's criminal is another country hero. Maybe the author would sell the vulnerability to an organization making exploits for government use. "Safety" is also a relative thing, when the world is safer for one party, it is usually worse for another.

Having secure browsers, encryption etc. actually clearly benefits the world. No “but think about the children/terrorists” please.

Re: Actively exploited sandbox RCE in all Chromium versions

#236
post #92

Let's take a moment to talk about the monetary value of this vulnerability. According to the Chrome release page ( https://chromereleases.googleblog.com/2026/09/stable-channel... ), Google paid a researcher $1000 for ethically reporting this. The CVE associated with it (CVE-2026-85046) is already being exploited in the wild. If we put our thinking caps on, how much do you think this vulnerability is actually worth? H…

If the vulnerability is already being exploited in the wild --- as in, it's a vector people already know about and are tracking --- it's possibly not worth much at all. Vulnerability valuations depend heavily on the lifespan of the vulnerability; payments on black market are tranched (explicitly or less explicitly, as with "maintenance payments") based on whether they're patched. Further: a vulnerability is probably…

I was under the impression that the three letter agencies and contractors bought vulnerabilities?

Re: Actively exploited sandbox RCE in all Chromium versions

#238
post #178

Earlier quoted context omitted.

Running code by itself isn't that bad, it's the fact that browser developers have decided for some reason that this code needs to be as performant as possible, so, JIT. I don't get it! The way JS is typically used, it doesn't even benefit from JIT all that much. Making ajax requests, doing stuff with strings, and moving DOM elements around doesn't need every CPU clock cycle to be used as optimally as possible. It's e…

I disagree about JIT performance not mattering. I enabled "Lockdown Mode" on iOS which disables the JIT for the mentioned security reasons, and it causes a very noticeable lagginess on many sites. Of course, the primary cause is the unnecessary JS monstrosities wasting CPU cycles. But practically speaking I can say that disabling the JIT results in a very subpar experience of many JS heavy pages.

you are talking about the effect, not the cause.

Sites are slow because with all that excess performance they do more tracking, instead of keeping the website as-is.

Because that's the only thing business managers can come up with in that situation. It's a misaligned goal of users vs businesses.

In my opinion the "user agent" behavior of browsers is long gone, because they're not acting on behalf of their users anymore. They're acting on behalf of businesses.

Re: Actively exploited sandbox RCE in all Chromium versions

#239
post #111

Earlier quoted context omitted.

we really do not want to engineer a system in which using bugs to make money is considered economically legitimate activity. It is still crime. The main reason to report bugs and get the bounties for doing so is still because it makes the world safer and healthier. The money is there to make is to incentivize the work of finding and reporting them -- not to outbid the bad actors.

> using bugs to make money Aka security research. It's one thing to hold something for ransom ("give me $5M or I release the 0day"). It's another to sell a valuable piece of information ("give me $5M if you want the 0day"). As long as you're only offering the bug to the company who would be impacted by its release, there's nothing unethical about asking for payment. Maybe you think that, ethically, all bugs should be…

>Well a lot of things prevent harm that we don't all take it upon ourselves to do voluntarily. Should everyone do all safety-related work for free?

Thanks for putting it like that, it changed my opinion on the subject.

If it's normal to expect people to be compensated for other security work, it implies it should also be normal to compensate security researches.

Re: Actively exploited sandbox RCE in all Chromium versions

#240

Let's take a moment to talk about the monetary value of this vulnerability. According to the Chrome release page ( https://chromereleases.googleblog.com/2026/09/stable-channel... ), Google paid a researcher $1000 for ethically reporting this. The CVE associated with it (CVE-2026-85046) is already being exploited in the wild. If we put our thinking caps on, how much do you think this vulnerability is actually worth? H…

Well, the implication (and I'm not saying this is right) is that to Google it's only worth $1k to have this brought to their attention by a white hat, versus finding out by exploitation.

Which means that they have zero concern from this incident about reputational damage to themselves or their browser. That's pretty good circumstantial evidence of a monopolistic practice, when you can safely assume that there's effectively no difference to your bottom line if your software is hacked.

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