Safety vulnerability ID: 49755
The information on this page was manually curated by our Cybersecurity Intelligence Team.
Ujson 5.4.0 includes a fix for CVE-2022-31117: In versions prior to 5.4.0 an error occurring while reallocating a buffer for string decoding can cause the buffer to get freed twice. Due to how UltraJSON uses the internal decoder, this double free is impossible to trigger from Python.
https://github.com/ultrajson/ultrajson/security/advisories/GHSA-fm67-cv37-96ff
Latest version: 5.9.0
Ultra fast JSON encoder and decoder for Python
UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. In versions prior to 5.4.0 an error occurring while reallocating a buffer for string decoding can cause the buffer to get freed twice. Due to how UltraJSON uses the internal decoder, this double free is impossible to trigger from Python. This issue has been resolved in version 5.4.0 and all users should upgrade to UltraJSON 5.4.0. There are no known workarounds for this issue. See CVE-2022-31117.
CONFIRM:https://github.com/ultrajson/ultrajson/security/advisories/GHSA-fm67-cv37-96ff: https://github.com/ultrajson/ultrajson/security/advisories/GHSA-fm67-cv37-96ff
MISC:https://github.com/ultrajson/ultrajson/commit/9c20de0f77b391093967e25d01fb48671104b15b: https://github.com/ultrajson/ultrajson/commit/9c20de0f77b391093967e25d01fb48671104b15b
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