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TI-2026-85306 Aliases CVE-2026-35494GHSA-jw3v-w47x-8cqg

Memory corruption in Samsung Exynos baseband causes denial of service

Priority LOW 22CWE-787Published · 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 1280, Exynos 2200, Exynos 1330, Exynos 1380 and Exynos 2400, along with other products, are affected before October 2026. Memory corruption during NAS packet processing in the baseband is classed as an out-of-bounds write (CWE-787). The flaw can cause a denial of service.

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

Description from the CNA

In the baseband, memory corruption during NAS packet processing can cause a denial of service.

Why it matters now

EPSS 0.0014 3rd percentileScored 2026-11-07
Fix Fixed Exynos 1280 (Samsung Semiconductor): October 2026Exynos 2200 (Samsung Semiconductor): October 2026+7 more products

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
Samsung SemiconductorExynos 1280before October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos 2200before October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos 1330before October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos 1380before October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos 2400before October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos W920before October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos W930before October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos Modem 5123before October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos Modem 5300before October 2026October 2026Patch availableCNA
  • Exynos 1280 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA
  • Exynos 2200 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA
  • Exynos 1330 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA
  • Exynos 1380 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA
  • Exynos 2400 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA
  • Exynos W920 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA
  • Exynos W930 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA
  • Exynos Modem 5123 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA
  • Exynos Modem 5300 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA

Remediation

The fixed version for each affected Samsung Semiconductor product is October 2026, including Exynos 1280, 2200, 1330, 1380 and 2400 and other products.

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

  • Fix · CNA Exynos 1280 (Samsung Semiconductor) Fixed in October 2026
  • Fix · CNA Exynos 2200 (Samsung Semiconductor) Fixed in October 2026
  • Fix · CNA Exynos 1330 (Samsung Semiconductor) Fixed in October 2026
  • Fix · CNA Exynos 1380 (Samsung Semiconductor) Fixed in October 2026
  • Fix · CNA Exynos 2400 (Samsung Semiconductor) Fixed in October 2026
  • Fix · CNA Exynos W920 (Samsung Semiconductor) Fixed in October 2026
  • Fix · CNA Exynos W930 (Samsung Semiconductor) Fixed in October 2026
  • Fix · CNA Exynos Modem 5123 (Samsung Semiconductor) Fixed in October 2026
  • Fix · CNA Exynos Modem 5300 (Samsung Semiconductor) Fixed in October 2026

Fixed in the same release

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

  • Release ·

    Samsung Semiconductor Exynos 2400 October 2026

    10 records Highest priority Priority LOW 10 LOW

    Other records, highest priority first

    • TI-2026-85326 Improper synchronization in Samsung Exynos GPU driver corrupts memoryPriority LOW 22
    • TI-2026-85320 Double free in Samsung Exynos NPU driverPriority LOW 22
    • TI-2026-85315 Samsung Exynos mishandles messages before AS security activationPriority LOW 22
    Show all 10 records →
  • Release ·

    Samsung Semiconductor Exynos Modem 5123 October 2026

    9 records Highest priority Priority LOW 9 LOW

    Other records, highest priority first

    • TI-2026-85307 Improper SIP packet handling in Samsung Exynos IMS stackPriority LOW 22
    • TI-2026-85305 Out of bounds access in Samsung Exynos modem IMS stackPriority LOW 22
    • TI-2026-85303 Infinite loop in Samsung Exynos NAS decoding causes denial of servicePriority LOW 22
    Show all 9 records →
Show 4 more groups
  • Release ·

    Samsung Semiconductor Exynos Modem 5300 October 2026

    9 records Highest priority Priority LOW 9 LOW

    Other records, highest priority first

    • TI-2026-85315 Samsung Exynos mishandles messages before AS security activationPriority LOW 22
    • TI-2026-85307 Improper SIP packet handling in Samsung Exynos IMS stackPriority LOW 22
    • TI-2026-85305 Out of bounds access in Samsung Exynos modem IMS stackPriority LOW 22
    Show all 9 records →
  • Release ·

    Samsung Semiconductor Exynos 2200 October 2026

    8 records Highest priority Priority LOW 8 LOW

    Other records, highest priority first

    • TI-2026-85326 Improper synchronization in Samsung Exynos GPU driver corrupts memoryPriority LOW 22
    • TI-2026-85315 Samsung Exynos mishandles messages before AS security activationPriority LOW 22
    • TI-2026-85312 Out of bound access in PPC on Samsung Exynos chipsetsPriority LOW 22
    Show all 8 records →
  • Release ·

    Samsung Semiconductor Exynos 1280, Exynos 1330, Exynos 1380 October 2026

    6 records Highest priority Priority LOW 6 LOW

    Other records, highest priority first

    • TI-2026-85315 Samsung Exynos mishandles messages before AS security activationPriority LOW 22
    • TI-2026-85304 Improper pre-authentication handling in Samsung Exynos LTE RRCPriority LOW 22
    • TI-2026-85303 Infinite loop in Samsung Exynos NAS decoding causes denial of servicePriority LOW 22
    Show all 6 records →
  • Release ·

    Samsung Semiconductor Exynos W920, Exynos W930 October 2026

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2026-85304 Improper pre-authentication handling in Samsung Exynos LTE RRCPriority LOW 22
    • TI-2026-85303 Infinite loop in Samsung Exynos NAS decoding causes denial of servicePriority LOW 22
    • TI-2025-44014 Continuous control-plane messages crash Samsung Exynos basebandPriority LOW 22
    Show all 4 records →

Timeline

  1. 2026-11-05 Threatist record created from CVE-2026-35494
  2. 2026-11-05 Alias added: GHSA-jw3v-w47x-8cqg

References

Other 1

  • 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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences