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TI-2023-28246 Aliases CVE-2023-51594GHSA-jh7h-h9f3-3339

Out-of-bounds read in BlueZ

Priority LOW 28CWE-125Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 3 fixed, 3 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.

Summary

BlueZ OBEX Library Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of BlueZ. User interaction is required to exploit this vulnerability in that the target must connect to a malicious Bluetooth device. The specific flaw exists within the handling of OBEX protocol parameters. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-20937.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01079 65th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 3 fixed, 3 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
BlueZBlueZ5.66—No fix listedCNA
  • BlueZ VendorBlueZ Affected 5.66 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:bluez:bluez:5.66:*:*:*:*:*:*:*5.66VulnerableBlueZ
  • cpe:2.3:a:bluez:bluez:5.66:*:*:*:*:*:*:* Versions 5.66 Vulnerable ·BlueZ

Remediation

Red Hat 1 advisory

  • RHSA-2024:9413 Released 2024-11-12 · Red Hat rating Moderate
    bluez security update
    • Red Hat CodeReady Linux Builder (v. 9) bluez-libs-devel-5.72-2.el9
    • Red Hat Enterprise Linux AppStream (v. 9) bluez-cups-5.72-2.el9, bluez-obexd-5.72-2.el9
    • Red Hat Enterprise Linux BaseOS (v. 9) bluez-5.72-2.el9, bluez-libs-5.72-2.el9

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 8AffectedNo fix yet: Fix deferred
Red Hat CodeReady Linux Builder (v. 9)Fixed RHSA-2024:9413
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2024:9413
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2024:9413
Not affected: 1 product
  • Red Hat Enterprise Linux 10

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-51594
  2. 2026-10-03 Alias added: GHSA-jh7h-h9f3-3339

References

Advisory 1

  • TI-2020-16504 In BlueZ before 5.55, a double free was found in the gatttool disconnect_cb() routine… CVSS 3.1HIGH 8.6
  • TI-2024-08171 Improper access control in BlueZ CVSS 3.1HIGH 8.8
  • TI-2022-00141 Memory corruption in bluez CVSS 3.1HIGH 8.8
  • TI-2021-19345 An issue was discovered in gatt-database.c in BlueZ 5.61. CVSS 3.1CRITICAL 9.1
  • TI-2019-06435 A heap-based buffer overflow was discovered in bluetoothd in BlueZ through 5.48. CVSS 3.1HIGH 8.8
  • TI-2023-27461 Heap-based buffer overflow in BlueZ CVSS 3.1HIGH 8.0
See all 36 →

Sources

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