CVE-2011-1049

Buffer overflow in the Mach-O input file loader in Hex-Rays IDA Pro 5.7 and 6.0 allows user-assisted remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted Macho-O file.

Published: 2011-02-21 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-1049 is rated Moderate Risk (50.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.52%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-1049

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-12-28 0.40% 0.52% +0.12%
2 2025-10-28 0.70% 0.40% -0.30%
3 2025-04-17 0.70%

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-1049

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 6.4 [email protected]

Weakness enumeration for CVE-2011-1049

Affected software / configurations for CVE-2011-1049

Vendor Product Version Raw CPE
hex-rays ida 5.7 cpe:2.3:a:hex-rays:ida:5.7:*:pro:*:*:*:*:*
hex-rays ida 6.0 cpe:2.3:a:hex-rays:ida:6.0:*:pro:*:*:*:*:*

References for CVE-2011-1049

cvelogic Threat Intelligence