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01 Record

CVE-2025-21008

Out-of-bounds read in decoding frame header in libsavsvc.so prior to Android 15 allows local attackers to cause memory corruption.

MediumPUBLISHEDCNA: SamsungMobile
CNA base score5.5 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

02 Description

Out-of-bounds read in decoding frame header in libsavsvc.so prior to Android 15 allows local attackers to cause memory corruption.

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.13% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 2.7% of scored records. A rank, not a probability.
NVD base score
5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Analyzed. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2025-07-08 10:34Z1 YR AGO
Last updated
2025-07-08 18:12Z1 YR AGO
Reserved
2024-11-06
Assigning CNA
SamsungMobile
Record state
PUBLISHED
Severity
Medium (CVSS 5.5)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
Data version
5.1
Document digest
7e1b91c86107b503ccdd80c2e0678887af4e83e3e98c3dc1c5c9633c910480cb

05 Affected products

VendorProductVersionsPlatforms
Samsung Mobilelibsavsvc.soNot specified—

06 References