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TI-2026-85301 Aliases CVE-2026-33958GHSA-3mx6-vrj9-7c42

Out-of-bounds access in Samsung Exynos RRC Reconfiguration handling

Priority LOW 22CWE-1286Published · Updated

Key facts

Attack vector
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Privileges required
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User interaction
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Attack complexity
—
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 2100, Exynos 1280, Exynos 2200, Exynos 1330 and other products are affected before October 2026. Processing a malformed RRC Reconfiguration message leads to an out-of-bounds access that causes a denial-of-service condition. The root cause is improper input validation (CWE-1286).

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

Description from the CNA

Processing a malformed RRC Reconfiguration message leads to an out-of-bounds (OOB) access, resulting in a denial-of-service (DoS) condition.

Why it matters now

EPSS 0.0015 4th percentileScored 2026-11-07
Fix Fixed Exynos 1080 (Samsung Semiconductor): October 2026Exynos 2100 (Samsung Semiconductor): October 2026+13 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 October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos 2100before October 2026October 2026Patch availableCNA
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 1480before October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos 2400before October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos 1580before October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos 2500before October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos 1680before October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos Modem 5123before October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos Modem 5300before October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos Modem 5400before October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos Modem 5410before October 2026October 2026Patch availableCNA
  • Exynos 1080 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA
  • Exynos 2100 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA
  • 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 1480 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 1580 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA
  • Exynos 2500 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA
  • Exynos 1680 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
  • Exynos Modem 5400 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA
  • Exynos Modem 5410 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA

Remediation

Update Exynos 1080, Exynos 2100, Exynos 1280, Exynos 2200, Exynos 1330, Exynos 1380, Exynos 1480, Exynos 2400, Exynos 1580, Exynos 2500, Exynos 1680, Exynos Modem 5123, Exynos Modem 5300, Exynos Modem 5400 and Exynos Modem 5410 to the October 2026 fixed release.

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

  • Fix · CNA Exynos 1080 (Samsung Semiconductor) Fixed in October 2026
  • Fix · CNA Exynos 2100 (Samsung Semiconductor) Fixed in October 2026
  • 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 1480 (Samsung Semiconductor) Fixed in October 2026
  • Fix · CNA Exynos 2400 (Samsung Semiconductor) Fixed in October 2026
  • Fix · CNA Exynos 1580 (Samsung Semiconductor) Fixed in October 2026
  • Fix · CNA Exynos 2500 (Samsung Semiconductor) Fixed in October 2026
  • Fix · CNA Exynos 1680 (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
  • Fix · CNA Exynos Modem 5400 (Samsung Semiconductor) Fixed in October 2026
  • Fix · CNA Exynos Modem 5410 (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-2026-85306 Memory corruption in Samsung Exynos baseband causes denial of servicePriority LOW 22
    • TI-2026-85305 Out of bounds access in Samsung Exynos modem IMS stackPriority LOW 22
    Show all 9 records →
Show 10 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-2026-85306 Memory corruption in Samsung Exynos baseband causes denial of servicePriority LOW 22
    Show all 9 records →
  • Release ·

    Samsung Semiconductor Exynos 2500 October 2026

    9 records Highest priority Priority LOW 9 LOW

    Other records, highest priority first

    • TI-2026-85327 Reference count flaw in Samsung GPU driver corrupts memoryPriority LOW 22
    • 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
    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 1580, Exynos 1680 October 2026

    8 records Highest priority Priority LOW 8 LOW

    Other records, highest priority first

    • TI-2026-85327 Reference count flaw in Samsung GPU driver corrupts memoryPriority LOW 22
    • 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
    Show all 8 records →
  • Release ·

    Samsung Semiconductor Exynos Modem 5400 October 2026

    8 records Highest priority Priority LOW 8 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 8 records →
  • Release ·

    Samsung Semiconductor Exynos 1480 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-2026-85320 Double free in Samsung Exynos NPU driverPriority LOW 22
    • TI-2026-85315 Samsung Exynos mishandles messages before AS security activationPriority LOW 22
    Show all 8 records →
  • Release ·

    Samsung Semiconductor Exynos 1080 October 2026

    7 records Highest priority Priority LOW 7 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-2026-85302 Improper certificate validation in Samsung Exynos IMS handlingPriority LOW 22
    Show all 7 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-2026-85306 Memory corruption in Samsung Exynos baseband causes denial of servicePriority LOW 22
    • TI-2026-85304 Improper pre-authentication handling in Samsung Exynos LTE RRCPriority LOW 22
    Show all 6 records →
  • Release ·

    Samsung Semiconductor Exynos Modem 5410 October 2026

    5 records Highest priority Priority LOW 5 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 5 records →
  • Release ·

    Samsung Semiconductor Exynos 2100 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-2026-33958
  2. 2026-11-05 Alias added: GHSA-3mx6-vrj9-7c42

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