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.
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.
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| URL | Tags |
|---|---|
| http://osvdb.org/70846 | |
| http://secunia.com/advisories/43190 | Vendor Advisory |
| http://www.vupen.com/english/advisories/2011/0357 | Vendor Advisory |
| https://www.hex-rays.com/vulnfix.shtml |