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TI-2026-85302 Aliases CVE-2026-33965GHSA-4x4x-53h9-45vj

Improper certificate validation in Samsung Exynos IMS handling

Priority LOW 22CWE-295Published · 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
Spoofing
Confidentiality · integrity · availability
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Fix status
Fixed

No CVSS vector from any source. Fix status from CNA. Impact type from CWE-295.

Summary

Samsung Semiconductor Exynos 1080, Exynos 9110, Exynos Modem 5123, Exynos Modem 5300 and Exynos Modem 5400 are affected from 0 before October 2026. The flaw is improper certificate validation (CWE-295) in IMS message handling. An attacker who sends a malicious IMS message to the target device can expose information through the SIP message flow.

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

Description from the CNA

An attacker may send a malicious IMS message to the target device, potentially leading to information exposure through the SIP message flow.

Why it matters now

EPSS 0.00142 3rd percentileScored 2026-11-07
Fix Fixed Exynos 1080 (Samsung Semiconductor): October 2026Exynos 9110 (Samsung Semiconductor): October 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 October 2026October 2026Patch availableCNA
Samsung SemiconductorExynos 9110before 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
  • Exynos 1080 VendorSamsung Semiconductor Affected before October 2026 Fixed in October 2026 Patch available CNA
  • Exynos 9110 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

Remediation

Update Exynos 1080, Exynos 9110, Exynos Modem 5123, Exynos Modem 5300 and Exynos Modem 5400 to the fixed version October 2026.

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 9110 (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

Fixed in the same release

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

  • 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 →
  • 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 →
Show 3 more groups
  • 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 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-2026-85301 Out-of-bounds access in Samsung Exynos RRC Reconfiguration handlingPriority LOW 22
    Show all 7 records →
  • Release ·

    Samsung Semiconductor Exynos 9110 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-2026-85303 Infinite loop in Samsung Exynos NAS decoding causes denial of servicePriority LOW 22
    Show all 7 records →

Timeline

  1. 2026-11-05 Threatist record created from CVE-2026-33965
  2. 2026-11-05 Alias added: GHSA-4x4x-53h9-45vj

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