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CVE-2026-21048 Samsung Mobile CVE debrief

A high-severity CVE-2026-21048 vulnerability was found in libimagecodec.media.quram.so, which could allow remote attackers to write out-of-bounds memory when parsing DNG format. The CVE record was published on 2026-07-10T05:16:35.410Z and was last modified on 2026-07-10T17:56:00.910Z. This out-of-bounds write issue in the parsing of DNG format could potentially lead to code execution or denial of service. Security teams and administrators should prioritize patching to prevent potential attacks. Evidence is limited to public sources and may not reflect the full scope or impact. Defenders should verify affected systems and apply patches or mitigations as recommended by the vendor.

Vendor
Samsung Mobile
Product
Samsung Mobile Devices
CVSS
HIGH 8.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-10
Original CVE updated
2026-07-10
Advisory published
2026-07-10
Advisory updated
2026-07-10

Who should care

Security teams and administrators responsible for systems using libimagecodec.media.quram.so should prioritize patching this vulnerability to prevent potential attacks.

Technical summary

The vulnerability is an out-of-bounds write issue in the parsing of DNG format in libimagecodec.media.quram.so prior to SMR Jul-2026 Release 1. This could allow remote attackers to write out-of-bounds memory, potentially leading to code execution or denial of service.

Defensive priority

High

Recommended defensive actions

  • Apply the patch from Samsung as soon as possible
  • Inventory systems using libimagecodec.media.quram.so to prioritize patching
  • Monitor for potential exploitation attempts
  • Consider compensating controls such as input validation and memory protection

Evidence notes

The CVE record was published by the NVD on 2026-07-10T05:16:35.410Z and was last modified on 2026-07-10T17:56:00.910Z. The vulnerability has a CVSS score of 8.3 and is classified as HIGH severity. Evidence is limited to public sources and may not reflect the full scope or impact of the vulnerability. Defenders should verify affected systems and apply patches or mitigations as recommended by the vendor. Additional information may be necessary to fully understand the vulnerability's impact.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-10T05:16:35.410Z and has not been modified since then.