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TI-2023-20306 Aliases CVE-2023-39129GHSA-295v-hjgh-6c75

GNU gdb (GDB) 13.0.50.20220805-git was discovered to contain a heap use after free via…

Priority MEDIUM 58CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

GNU gdb (GDB) 13.0.50.20220805-git was discovered to contain a heap use after free via the function add_pe_exported_sym() at /gdb/coff-pe-read.c.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00259 17th 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
Poc
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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gnu:gdb:13.0.50.20220805-git:*:*:*:*:*:*:*13.0.50.20220805-gitVulnerableGNU
  • cpe:2.3:a:gnu:gdb:13.0.50.20220805-git:*:*:*:*:*:*:* Versions 13.0.50.20220805-git Vulnerable ·GNU

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

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
Red Hat Enterprise Linux 9AffectedNo fix planned: Will not fix
Not affected: 2 products
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-39129
  2. 2026-10-03 Alias added: GHSA-295v-hjgh-6c75

References

  • TI-2023-20307 GNU gdb (GDB) 13.0.50.20220805-git was discovered to contain a heap buffer overflow via… CVSS 3.1MEDIUM 5.5
  • TI-2023-20305 GNU gdb (GDB) 13.0.50.20220805-git was discovered to contain a stack overflow via the… CVSS 3.1MEDIUM 5.5
  • TI-2019-16008 Out-of-bounds read in GNU gdb CVSS 3.1HIGH 7.8
  • TI-2005-01613 gdb before 6.3 searches the current working directory to load the .gdbinit configuration… CVSS 2.0HIGH 7.2
  • TI-2011-03820 GNU Project Debugger (GDB) before 7.5, when .debug_gdb_scripts is defined, automatically… CVSS 2.0MEDIUM 6.9
  • TI-2006-04018 Buffer overflow in the (1) DWARF (dwarfread.c) and (2) DWARF2 (dwarf2read.c) debugging… CVSS 2.0MEDIUM 5.1
See all 8 →

Sources