CVE-2026-87933mediumCWE-119CWE-416

CVE-2026-87933: medium-severity vulnerability in DaveGamble cJSON

DaveGamble cJSON cJSON_Utils.c cJSONUtils_MergePatch use after free

Published

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33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 6.9epss 0.5%
A vulnerability was found in DaveGamble cJSON up to 1.7.19. The affected element is the function cJSONUtils_MergePatch of the file cJSON_Utils.c. The manipulation results in use after free. The attack may be launched remotely. The exploit has been made public and could be used. The pull request to fix this issue awaits acceptance.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
DaveGamble · cJSON
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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