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29 lines
1.4 KiB
Markdown
29 lines
1.4 KiB
Markdown
# Wagtail 6.1.3 release notes
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_July 11, 2024_
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```{contents}
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---
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local:
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depth: 1
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---
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```
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## What's new
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### CVE-2024-39317: Regular expression denial-of-service via search query parsing
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This release addresses a denial-of-service vulnerability in Wagtail. A bug in Wagtail's [`parse_query_string`](wagtailsearch_query_string_parsing) would result in it taking a long time to process suitably crafted inputs. When used to parse sufficiently long strings of characters without a space, `parse_query_string` would take an unexpectedly large amount of time to process, resulting in a denial of service.
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In an initial Wagtail installation, the vulnerability can be exploited by any Wagtail admin user. It cannot be exploited by end users. If your Wagtail site has a custom search implementation which uses parse_query_string, it may be exploitable by other users (e.g. unauthenticated users).
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Many thanks to Jake Howard for reporting and fixing this issue. For further details, please see [the CVE-2024-39317 security advisory](https://github.com/wagtail/wagtail/security/advisories/GHSA-jmp3-39vp-fwg8).
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### Bug fixes
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* Allow renditions of `.ico` images (Julie Rymer)
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* Handle choice groups as dictionaries in active filters (Sébastien Corbin)
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* Fix image preview when Willow optimizers are enabled (Alex Tomkins)
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* Fix dynamic image serve view with certain backends (Sébastien Corbin)
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