CVE-2019-1010039: uLaunchELF < commit 170827a is affected by: Buffer Overflow

Q: How do I fix CVE-2019-1010039?

ulaunchelf: upgrade to commit_170827a. Exact commands for each OS are on this page.

Q: Is CVE-2019-1010039 being exploited?

CVE-2019-1010039 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2019-1010039 affect?

CVE-2019-1010039 affects ulaunchelf. Severity is critical (CVSS 9.8). uLaunchELF < commit 170827a is affected by: Buffer Overflow. The impact is: Possible code execution and denial of service. The component is: Loader program (loader.c) overly trusts the arguments provided via command line.

Q: How urgent is CVE-2019-1010039?

Priority 60/100. Critical severity; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2019-1010039 is a critical-severity flaw (CVSS 9.8) affecting ulaunchelf. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

uLaunchELF < commit 170827a is affected by: Buffer Overflow. The impact is: Possible code execution and denial of service. The component is: Loader program (loader.c) overly trusts the arguments provided via command line.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.3% (top 17%)
CISA exploited list	No
Weakness	CWE-787
Published	2019-07-15
Last modified	2026-06-17

Publisher (CNA): DWF · Vendor: ulaunchelf project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-07-15 14:15 UTCPublished CVE record published
2026-06-17 02:09 UTCUpdated Record last modified

ulaunchelf project ulaunchelf UPGRADE

Affected: < commit_170827a

Fixed in: commit_170827a

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to commit_170827a (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ulaunchelf

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ulaunchelf

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2019-1010039?

ulaunchelf: upgrade to commit_170827a. Exact commands for each OS are on this page.

Is CVE-2019-1010039 being exploited?

CVE-2019-1010039 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-2019-1010039 affect?

CVE-2019-1010039 affects ulaunchelf. Severity is critical (CVSS 9.8). uLaunchELF < commit 170827a is affected by: Buffer Overflow. The impact is: Possible code execution and denial of service. The component is: Loader program (loader.c) overly trusts the arguments provided via command line.

How urgent is CVE-2019-1010039?

Priority 60/100. Critical severity; Remotely exploitable, no login, no user action

References

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