Samsung Devices up to SMR Mar-2021 Release 1 JPEG decoder libimagecodec.quram.so heap-based overflow

Summaryinfo

A vulnerability was found in Samsung Devices. It has been declared as very critical. Affected is an unknown function of the file libimagecodec.quram.so of the component JPEG decoder. Executing a manipulation can lead to heap-based overflow. The identification of this vulnerability is CVE-2026-21096. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as very critical was found in Samsung Devices. This vulnerability affects some unknown processing of the file libimagecodec.quram.so of the component JPEG decoder. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in JPEG decoder of libimagecodec.quram.so prior to SMR Sep-2026 Release 1 allows remote attackers to execute arbitrary code.

The advisory is available at security.samsungmobile.com. This vulnerability was named CVE-2026-21096 since 12/11/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/09/2026).

Upgrading to version SMR Sep-2026 Release 1 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Samsung

Name

• Devices

Version

• 4.1.01.0
• 7
• 8
• 9.0
• 10.0
• 11.0
• 2017-11-03
• 2020-04-02
• 2026
• Go(8.1)
• Go(9.0)
• L
• L(5.1)
• L(5.x)
• M
• M(6.0)
• M(6.x)
• N
• N(7.0)
• N(7.1)
• N(7.x)
• O(8.0)
• O(8.1)
• O(8.X)
• O(8.x)
• P(9.0)
• P(9.x)
• Q(10.0)
• Q(10.x)
• R(11.0)
• SMR Aug-2026 Release
• SMR Aug-2026 Release 1
• SMR Feb-2021 Release 1
• SMR Jul-2024 Release
• SMR Jul-2024 Release 1
• SMR Jul-2026 Release
• SMR Mar-2021 Release 1

License

• commercial

Website

• Vendor: https://www.samsung.com/

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