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Re: CVE-2025-3512: Qt Base QTextMarkdownImporter Front Matter Buffer Overflow


From: Solar Designer <solar () openwall com>
Date: Fri, 25 Apr 2025 02:08:31 +0200

On Thu, Apr 24, 2025 at 09:06:26PM +0200, Jakub Wilk wrote:
* Solar Designer <solar () openwall com>, 2025-04-24 20:32:
There appears to be a growing trend towards calling OOB reads "buffer 
overflows".

Part of the problem may be that AddressSanitizer uses this unforuntate 
terminology; you get something like this:

    ==7802==ERROR: AddressSanitizer: stack-buffer-overflow on address 
    0xf5f00021 at pc 0xf79c113e bp 0xfff496e8 sp 0xfff492c4
    READ of size 2 at 0xf5f00021 thread T0

Yes, this may very well be the main cause of this trend.  Is someone
reading this in a position to change the wording in AddressSanitizer?
For example, it could have "stack out-of-bounds read" in place of
"stack-buffer-overflow" above.

Alexander


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