Vulnerabilities affecting this package (0)
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This package is not known to be affected by vulnerabilities.
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Vulnerabilities fixed by this package (1)
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VCID-yy6t-ybeu-qycc
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Possible ReDoS vulnerability in block_format in Action Mailer
There is a possible ReDoS vulnerability in the block_format helper in Action Mailer. This vulnerability has been assigned the CVE identifier CVE-2024-47889.
Impact
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Carefully crafted text can cause the block_format helper to take an unexpected amount of time, possibly resulting in a DoS vulnerability. All users running an affected release should either upgrade or apply the relevant patch immediately.
Ruby 3.2 has mitigations for this problem, so Rails applications using Ruby 3.2 or newer are unaffected. Rails 8.0.0.beta1 requires Ruby 3.2 or greater so is unaffected.
Releases
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The fixed releases are available at the normal locations.
Workarounds
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Users can avoid calling the `block_format` helper or upgrade to Ruby 3.2
Credits
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Thanks to yuki_osaki for the report!
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CVE-2024-47889
GHSA-h47h-mwp9-c6q6
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