CVE-2011-1053: Unspecified vulnerability in the Mach-O input file loader in Hex-Rays IDA Pro 5.7 and 6.0 allows user-assisted

Routine

MEDIUM 4.3DOWNGRADE

CVE-2011-1053 is a medium-severity flaw (CVSS 4.3) affecting ida. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unspecified vulnerability 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 (out-of-memory exception and inability to analyze code) via a crafted Mach-O file.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Published	2011-02-21
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: hex-rays

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2011-02-21 19:00 UTCPublished CVE record published
2026-06-16 23:28 UTCUpdated Record last modified

hex-rays ida DOWNGRADE

Affected: 5.7 · 6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.7

1. Check installed version

apt-cache policy ida || rpm -q ida || ida --version

2. No fixed release: DOWNGRADE to a release before 5.7 (Debian / Ubuntu)

apt-cache madison ida sudo apt install ida=<VERSION_BEFORE_5.7> sudo apt-mark hold ida

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ida sudo dnf downgrade ida-<VERSION_BEFORE_5.7> sudo dnf versionlock add ida

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2011-1053?

ida: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2011-1053 being exploited?

CVE-2011-1053 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2011-1053 affect?

CVE-2011-1053 affects ida. Severity is medium (CVSS 4.3). Unspecified vulnerability 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 (out-of-memory exception and inability to analyze code) via a crafted Mach-O file.

How urgent is CVE-2011-1053?

Priority 32/100. No elevated risk signals yet.

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References

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