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Fencer Vulns
medium 5.1

CVE-2006-4146 json

Buffer overflow in the (1) DWARF (dwarfread.c) and (2) DWARF2 (dwarf2read.c) debugging code in GNU Debugger (GDB) 6.5 allows user-assisted…

published 2006-08-31 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-4136

cvss
5.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.5%
EPSS 3.5% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

Buffer overflow in the (1) DWARF (dwarfread.c) and (2) DWARF2 (dwarf2read.c) debugging code in GNU Debugger (GDB) 6.5 allows user-assisted attackers, or restricted users, to execute arbitrary code via a crafted file with a location block (DW_FORM_block) that contains a large number of operations.

Patch / fix

  • gdb Debian 14, Debian 13, Debian 12 7.3-1

debian advisories DEBIAN-CVE-2006-4146

  • gdb RHEL 3 6.3.0.0-1.138.el3
  • gdb RHEL 4 6.3.0.0-1.143.el4

red hat advisories RHSA-2007:0469RHSA-2007:0229

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2006-4146 updated

GDB buffer overflow

  • Red Hat Desktop version 3 gdb 6.3.0.0-1.138.el3 Red Hat Enterprise Linux AS version 3 gdb 6.3.0.0-1.138.el3
    fixed: vendor fix RHSA-2007:0469
  • Red Hat Enterprise Linux AS version 4 gdb 6.3.0.0-1.143.el4 Red Hat Enterprise Linux Desktop version 4 gdb 6.3.0.0-1.143.el4
    fixed: vendor fix RHSA-2007:0229
  • Red Hat Enterprise Linux ES version 3 gdb 6.3.0.0-1.138.el3
    fixed: vendor fix RHSA-2007:0469
  • Red Hat Enterprise Linux ES version 4 gdb 6.3.0.0-1.143.el4
    fixed: vendor fix RHSA-2007:0229
  • Red Hat Enterprise Linux WS version 3 gdb 6.3.0.0-1.138.el3
    fixed: vendor fix RHSA-2007:0469
  • Red Hat Enterprise Linux WS version 4 gdb 6.3.0.0-1.143.el4
    fixed: vendor fix RHSA-2007:0229

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.49% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.1 AV:N/AC:H/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.