CVE-2011-1050: Unspecified vulnerability in Hex-Rays IDA Pro 5.7 and 6.0 has unknown impact and attack vectors related to "co

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HIGH 10.0DOWNGRADE

CVE-2011-1050 is a high-severity flaw (CVSS 10.0) affecting ida. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unspecified vulnerability in Hex-Rays IDA Pro 5.7 and 6.0 has unknown impact and attack vectors related to "converson of string encodings" and "inconsistencies in the handling of UTF8 sequences by the user interface."

Why this priority

Critical severity

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	1.5% (top 25%)
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-2011-1050?

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

Is CVE-2011-1050 being exploited?

CVE-2011-1050 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-2011-1050 affect?

CVE-2011-1050 affects ida. Severity is high (CVSS 10.0). Unspecified vulnerability in Hex-Rays IDA Pro 5.7 and 6.0 has unknown impact and attack vectors related to "converson of string encodings" and "inconsistencies in the handling of UTF8 sequences by the user interface."

How urgent is CVE-2011-1050?

Priority 54/100. Critical severity

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References

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