Uncontrolled Recursion vulnerability in Samsung Open Source rlottie allows Oversized Serialized Data Payloads.

published 2026-06-04 5 mo ago modified 2026-07-22 3 mo ago also EUVD-2026-34236

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 0%
public exploits: 0; none known

This issue affects rlottie: before e2d19e3b150e0e4a9586fa90b56fd3061cc98945.

Patch / fix

distros 2 links 1

debian ubuntu

rlottie Debian 14, Debian 13, Debian 12 0.1+dfsg-3

debian advisories DEBIAN-CVE-2026-47306

rlottie Ubuntu Pro 20.04 LTS 0~git20200305.a717479+dfsg-1ubuntu0.1~esm3
rlottie Ubuntu Pro 22.04 LTS 0.1+dfsg-2ubuntu0.2+esm1
rlottie Ubuntu Pro 24.04 LTS 0.1+dfsg-4ubuntu1.1+esm1
rlottie Ubuntu Pro 26.04 LTS 0.1+dfsg-4.3ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2026-47306

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

github.com/Samsung/rlottie#585 pull request

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-47306 updated 2026-06-28 cvss 5.5

rlottie: rlottie: Denial of Service due to uncontrolled recursion with oversized serialized data

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 5 mo ago (2026-06-04)

Exploit prediction

0.10% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.1	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H

Affected products

Samsung Open Source rlottie

Classification

Weakness

CWE-674 Uncontrolled Recursion

References

github.com /Samsung/rlottie/pull/585

Sources

CVE List CVE-2026-47306
NVD CVE-2026-47306

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary