What is the CVSS score of CVE-2025-0634?

CVE-2025-0634 has a contested CVSS base score of 9.8 from a third party (e.g. CISA-ADP), while the vendor rates it Critical. vuln.today uses the vendor rating as authoritative.

Which versions of Ubuntu are affected by CVE-2025-0634?

Organizations using Use After Free vulnerability in Samsung Open Source rLottie face critical risk from CVE-2025-0634, a use-after-free vulnerability rated CVSS 9.8.. A patch is available.

How to fix or mitigate CVE-2025-0634?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. If patching is delayed, consider network segmentation to limit exposure.

Ubuntu CVE-2025-0634

EUVD-2025-19505 CRITICAL

Use After Free (CWE-416)

2025-06-30 PSIRT@samsung.com

Samsung Use After Free Memory Corruption Denial Of Service Ubuntu Debian Rlottie

Critical

Disputed · 9.8 NVD

Severity by source

Sources disagree (Medium–Critical)

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Ubuntu

MEDIUM

qualitative

vuln.today treats the vendor’s rating as authoritative. A higher third-party CVSS (e.g. CISA-ADP) is shown for transparency but does not drive the headline severity.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Patch released

Mar 31, 2026 - 21:13 nvd

Patch available

EUVD ID Assigned

Mar 16, 2026 - 01:25 euvd

EUVD-2025-19505

Analysis Generated

Mar 16, 2026 - 01:25 vuln.today

CVE Published

Jun 30, 2025 - 02:15 nvd

CRITICAL 9.8

DescriptionCVE.org

Use After Free vulnerability in Samsung Open Source rLottie allows Remote Code Inclusion.This issue affects rLottie: V0.2.

Analysis

Use After Free vulnerability in Samsung Open Source rLottie allows Remote Code Inclusion.This issue affects rLottie: V0.2.

Technical ContextAI

A use-after-free vulnerability occurs when a program continues to use a pointer after the referenced memory has been freed, leading to undefined behavior. This vulnerability is classified as Use After Free (CWE-416).

RemediationAI

Use memory-safe languages. Implement proper object lifecycle management. Use static and dynamic analysis tools to detect UAF patterns.

More in Rlottie

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CVE-2025-53076 CRITICAL Act Now

9.8 Jun 30

Improper Input Validation vulnerability in Samsung Open Source rLottie allows Overread Buffers.This issue affects rLotti

CVE-2025-53075 CRITICAL Act Now

9.8 Jun 30

Improper Input Validation vulnerability in Samsung Open Source rLottie allows Path Traversal.This issue affects rLottie:

CVE-2025-53074 CRITICAL Act Now

9.1 Jun 30

Out-of-bounds Read vulnerability in Samsung Open Source rLottie allows Overflow Buffers.This issue affects rLottie: V0.2

CVE-2026-15551 MEDIUM This Month

5.5 Jul 13

Integer overflow in Samsung's open-source rlottie animation rendering library leads to buffer overflow, with high availa

Same weakness CWE-416 – Use After Free

View all

CVE-2019-0708 CRITICAL POC

9.8

CVE-2015-5119 CRITICAL POC

9.8

CVE-2014-0322 HIGH POC

8.8

CVE-2012-4792 HIGH POC

8.8

CVE-2009-4324 HIGH POC

7.8

CVE-2015-0313 CRITICAL POC

9.8

CVE-2015-5122 CRITICAL POC

9.8

CVE-2013-2551 HIGH POC

8.8

Same technique Use After Free

View all

CVE-2015-5119 CRITICAL POC

9.8

CVE-2014-0322 HIGH POC

8.8

CVE-2012-4792 HIGH POC

8.8

CVE-2009-4324 HIGH POC

7.8

CVE-2015-0313 CRITICAL POC

9.8

CVE-2015-5122 CRITICAL POC

9.8

CVE-2013-2551 HIGH POC

8.8

CVE-2012-4969 HIGH POC

8.1

Vendor StatusVendor

Ubuntu

Priority: Medium

rlottie

Release	Status	Version
plucky	ignored	end of life, was needs-triage
focal	released	0~git20200305.a717479+dfsg-1ubuntu0.1~esm2
jammy	released	0.1+dfsg-2ubuntu0.2
noble	released	0.1+dfsg-4ubuntu1.1
upstream	released	-
oracular	ignored	end of life, was needs-triage
questing	released	0.1+dfsg-4.2ubuntu0.1

USN-8058-1

Debian

Bug #1109341

rlottie

Release	Status	Fixed Version	Urgency
bullseye	fixed	0.1+dfsg-2+deb11u1	-
bullseye (security)	fixed	0.1+dfsg-2+deb11u1	-
bookworm	fixed	0.1+dfsg-4+deb12u1	-
trixie	fixed	0.1+dfsg-4.2+deb13u1	-
forky, sid	fixed	0.1+dfsg-4.3	-
(unstable)	fixed	0.1+dfsg-4.3	-

DLA-4474-1

CVE-2025-0634 vulnerability details – vuln.today

Back

Ubuntu CVE-2025-0634

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

Analysis

Technical ContextAI

RemediationAI

More in Rlottie

Same weakness CWE-416 – Use After Free

Same technique Use After Free

Vendor StatusVendor

Ubuntu

Debian

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External POC / Exploit Code