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TI-2026-85311 Aliases CVE-2026-48176GHSA-r8fp-3jhv-g2w8

Memory corruption from improper message validation in Samsung Exynos

Priority LOW 22CWE-1284Published · Updated

Key facts

Attack vector
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Privileges required
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User interaction
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Attack complexity
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Impact type
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Confidentiality · integrity · availability
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Fix status
Fixed

No CVSS vector from any source. Fix status from CNA.

Summary

Samsung Semiconductor Exynos 1080, Exynos 9110, Exynos Modem 5123, Exynos Modem 5300 and Exynos Modem 5400 are affected before September 2026. Improper validation of a specified quantity in input (CWE-1284) causes memory corruption when the chipsets process messages.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Description from the CNA

A memory corruption vulnerability caused by improper validation of messages

Why it matters now

EPSS 0.0014 3rd percentileScored 2026-11-07
Fix Fixed Exynos 1080 (Samsung Semiconductor): September 2026Exynos 9110 (Samsung Semiconductor): September 2026+3 more products

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Samsung SemiconductorExynos 1080before September 2026September 2026Patch availableCNA
Samsung SemiconductorExynos 9110before September 2026September 2026Patch availableCNA
Samsung SemiconductorExynos Modem 5123before September 2026September 2026Patch availableCNA
Samsung SemiconductorExynos Modem 5300before September 2026September 2026Patch availableCNA
Samsung SemiconductorExynos Modem 5400before September 2026September 2026Patch availableCNA
  • Exynos 1080 VendorSamsung Semiconductor Affected before September 2026 Fixed in September 2026 Patch available CNA
  • Exynos 9110 VendorSamsung Semiconductor Affected before September 2026 Fixed in September 2026 Patch available CNA
  • Exynos Modem 5123 VendorSamsung Semiconductor Affected before September 2026 Fixed in September 2026 Patch available CNA
  • Exynos Modem 5300 VendorSamsung Semiconductor Affected before September 2026 Fixed in September 2026 Patch available CNA
  • Exynos Modem 5400 VendorSamsung Semiconductor Affected before September 2026 Fixed in September 2026 Patch available CNA

Remediation

Samsung Semiconductor lists fixes for Exynos 1080, Exynos 9110, Exynos Modem 5123, Exynos Modem 5300 and Exynos Modem 5400 in September 2026.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

  • Fix · CNA Exynos 1080 (Samsung Semiconductor) Fixed in September 2026
  • Fix · CNA Exynos 9110 (Samsung Semiconductor) Fixed in September 2026
  • Fix · CNA Exynos Modem 5123 (Samsung Semiconductor) Fixed in September 2026
  • Fix · CNA Exynos Modem 5300 (Samsung Semiconductor) Fixed in September 2026
  • Fix · CNA Exynos Modem 5400 (Samsung Semiconductor) Fixed in September 2026

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Samsung Semiconductor Exynos Modem 5300, Exynos Modem 5400 September 2026

    5 records Highest priority Priority LOW 5 LOW

    Other records, highest priority first

    • TI-2026-85310 Out-of-bounds read in Samsung Exynos RRC message handlingPriority LOW 24
    • TI-2026-85313 Improper SDP payload handling in Samsung Exynos modem IMS stackPriority LOW 22
    • TI-2026-85309 Samsung Exynos NR RRC crash on messages before authenticationPriority LOW 22
  • Release ·

    Samsung Semiconductor Exynos Modem 5123 September 2026

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2026-85310 Out-of-bounds read in Samsung Exynos RRC message handlingPriority LOW 24
    • TI-2026-85313 Improper SDP payload handling in Samsung Exynos modem IMS stackPriority LOW 22
    • TI-2026-85308 Memory corruption in Samsung Exynos NAS message handlingPriority LOW 22
Show 2 more groups
  • Release ·

    Samsung Semiconductor Exynos 9110 September 2026

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2026-85313 Improper SDP payload handling in Samsung Exynos modem IMS stackPriority LOW 22
    • TI-2026-85308 Memory corruption in Samsung Exynos NAS message handlingPriority LOW 22
  • Release ·

    Samsung Semiconductor Exynos 1080 September 2026

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-85313 Improper SDP payload handling in Samsung Exynos modem IMS stackPriority LOW 22

Timeline

  1. 2026-11-05 Threatist record created from CVE-2026-48176
  2. 2026-11-05 Alias added: GHSA-r8fp-3jhv-g2w8

References

  • TI-2026-85310 Out-of-bounds read in Samsung Exynos RRC message handling CVSS 3.1MEDIUM 5.5
  • TI-2026-85330 Insufficient length validation in Samsung Exynos Modem GNSS loader CVSS —
  • TI-2026-85329 Samsung Exynos GPU driver memory corruption from improper VMID validation CVSS —
  • TI-2026-85328 Out-of-bounds memory access in Samsung Exynos device driver CVSS —
  • TI-2026-85327 Reference count flaw in Samsung GPU driver corrupts memory CVSS —
  • TI-2026-85326 Improper synchronization in Samsung Exynos GPU driver corrupts memory CVSS —
See all 34 →

Sources