Medium [CVE-2026-82797] Denial of Service via uncontrolled recursion with serialized data
This medium-severity Red Hat Linux advisory covers CVE-2026-82797.
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Summary
A flaw was found in rlottie. This uncontrolled recursion vulnerability allows a local attacker to cause a denial of service (DoS) by providing specially crafted serialized data with nested payloads.
Successful exploitation requires user interaction to process the malicious data. The rlottie library is shipped in Fedora and EPEL community distributions.
Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H). Weakness: CWE-1265.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Mitigation checklist
- Update rlottie to a version that includes the upstream fix commit 8de0d9e6ca80ffef654965505981727b9fa06a51.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
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