Vulnerability Monitor

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CVE-2009-0689

Array index error in the (1) dtoa implementation in dtoa.c (aka pdtoa.c) and the (2) gdtoa (aka new dtoa) implementation in gdtoa/misc.c in libc, as used in multiple operating systems and products including in FreeBSD 6.4 and 7.2, NetBSD 5.0, OpenBSD 4.5, Mozilla Firefox 3.0.x before 3.0.15 and 3.5.x before 3.5.4, K-Meleon 1.5.3, SeaMonkey 1.1.8, and other products, allows context-dependent attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a large precision value in the format argument to a printf function, which triggers incorrect memory allocation and a heap-based buffer overflow during conversion to a floating-point number.

Security Impact Summary

CVE-2009-0689 is a security vulnerability that . Impacting 6 products from k-meleon_project, from mozilla, from mozilla and 3 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2009, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2009-07-01T13:00:01.360

Last Modified

2026-04-23T00:35:47.467

Status

Modified

Source

[email protected]

Severity

CVSSv2: 6.8 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-119
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application k-meleon_project k-meleon 1.5.3 Yes
Application mozilla firefox 3.0.1 Yes
Application mozilla firefox 3.0.2 Yes
Application mozilla firefox 3.0.3 Yes
Application mozilla firefox 3.0.4 Yes
Application mozilla firefox 3.0.5 Yes
Application mozilla firefox 3.0.6 Yes
Application mozilla firefox 3.0.7 Yes
Application mozilla firefox 3.0.8 Yes
Application mozilla firefox 3.0.9 Yes
Application mozilla firefox 3.0.10 Yes
Application mozilla firefox 3.0.11 Yes
Application mozilla firefox 3.0.12 Yes
Application mozilla firefox 3.0.13 Yes
Application mozilla firefox 3.0.14 Yes
Application mozilla firefox 3.5 Yes
Application mozilla firefox 3.5.1 Yes
Application mozilla firefox 3.5.2 Yes
Application mozilla firefox 3.5.3 Yes
Application mozilla seamonkey 1.1.8 Yes
Operating System freebsd freebsd 6.4 Yes
Operating System freebsd freebsd 6.4 Yes
Operating System freebsd freebsd 6.4 Yes
Operating System freebsd freebsd 6.4 Yes
Operating System freebsd freebsd 6.4 Yes
Operating System freebsd freebsd 6.4 Yes
Operating System freebsd freebsd 6.4 Yes
Operating System freebsd freebsd 7.2 Yes
Operating System freebsd freebsd 7.2 Yes
Operating System freebsd freebsd 7.2 Yes
Operating System netbsd netbsd 5.0 Yes
Operating System openbsd openbsd 4.5 Yes
References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For k-meleon_project's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.