Expired Pointer Dereference The advisory has been revoked - it doesn't affect any version of package rpm-ostree (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL8-RPMOSTREE-19755706
- published13 Sept 2026
- disclosed10 Sept 2026
Introduced: 10 Sep 2026
CVE-2026-87933 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:8.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rpm-ostree package and not the rpm-ostree package as distributed by RHEL.
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.
References
- https://access.redhat.com/security/cve/CVE-2026-87933
- https://github.com/DaveGamble/cJSON/
- https://github.com/DaveGamble/cJSON/issues/1060
- https://github.com/DaveGamble/cJSON/pull/1065
- https://vuldb.com/cve/CVE-2026-87933
- https://vuldb.com/submit/911136
- https://vuldb.com/vuln/401815
- https://vuldb.com/vuln/401815/cti