Read the docs
TI-2023-11643 Aliases CVE-2023-26496GHSA-pqvr-f3f6-cc4q

An issue was discovered in Samsung Baseband Modem Chipset for Exynos Modem 5123, Exynos…

Priority HIGH 68CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

An issue was discovered in Samsung Baseband Modem Chipset for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, and Exynos Auto T5124. Memory corruption can occur due to improper checking of the parameter length while parsing the fmtp attribute in the SDP (Session Description Protocol) module.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.21443 97th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 10

CPEVersionsRoleVendor
cpe:2.3:o:samsung:exynos_modem_5300_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableSamsung
cpe:2.3:h:samsung:exynos_modem_5300:-:*:*:*:*:*:*:*not specified by NVDRunning onSamsung
cpe:2.3:o:samsung:exynos_modem_5123_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableSamsung
cpe:2.3:h:samsung:exynos_modem_5123:-:*:*:*:*:*:*:*not specified by NVDRunning onSamsung
cpe:2.3:o:samsung:exynos_980_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableSamsung
cpe:2.3:h:samsung:exynos_980:-:*:*:*:*:*:*:*not specified by NVDRunning onSamsung
cpe:2.3:o:samsung:exynos_1080_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableSamsung
cpe:2.3:h:samsung:exynos_1080:-:*:*:*:*:*:*:*not specified by NVDRunning onSamsung
cpe:2.3:o:samsung:exynos_auto_t5123_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableSamsung
cpe:2.3:h:samsung:exynos_auto_t5123:-:*:*:*:*:*:*:*not specified by NVDRunning onSamsung
  • cpe:2.3:o:samsung:exynos_modem_5300_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Samsung
  • cpe:2.3:h:samsung:exynos_modem_5300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
  • cpe:2.3:o:samsung:exynos_modem_5123_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Samsung
  • cpe:2.3:h:samsung:exynos_modem_5123:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
  • cpe:2.3:o:samsung:exynos_980_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Samsung
  • cpe:2.3:h:samsung:exynos_980:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
  • cpe:2.3:o:samsung:exynos_1080_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Samsung
  • cpe:2.3:h:samsung:exynos_1080:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
  • cpe:2.3:o:samsung:exynos_auto_t5123_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Samsung
  • cpe:2.3:h:samsung:exynos_auto_t5123:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-26496
  2. 2026-10-03 Alias added: GHSA-pqvr-f3f6-cc4q

References

  • TI-2023-11308 An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos… CVSS 3.1CRITICAL 9.8
  • TI-2023-11307 An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos… CVSS 3.1CRITICAL 9.8
  • TI-2023-11306 An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos… CVSS 3.1CRITICAL 9.8
  • TI-2023-11305 An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos… CVSS 3.1CRITICAL 9.8
  • TI-2023-11645 An issue was discovered in Samsung Baseband Modem Chipset for Exynos Modem 5123, Exynos… CVSS 3.1CRITICAL 9.8
  • TI-2023-09817 The Samsung Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, and Exynos… CVSS 3.1CRITICAL 9.8
See all 96 →

Sources