CVE-2009-0254: Stack-based buffer overflow in easyHDR PRO 1.60.2 allows user-assisted attackers to execute arbitrary code via

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HIGH 9.3DOWNGRADE

CVE-2009-0254 is a high-severity flaw (CVSS 9.3) affecting easyhdr. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in easyHDR PRO 1.60.2 allows user-assisted attackers to execute arbitrary code via an invalid Flexible Image Transport System (FITS) file. NOTE: some of these details are obtained from third party information.

Why this priority

Critical severity

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

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	2.6% (top 15%)
CISA exploited list	No
Weakness	CWE-119
Published	2009-01-22
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: easyhdr

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

Am I affected?

Timeline

2009-01-22 18:30 UTCPublished CVE record published
2026-06-16 23:04 UTCUpdated Record last modified

easyhdr easyhdr DOWNGRADE

Affected: 1.60.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.60.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.60.2 (Debian / Ubuntu)

apt-cache madison easyhdr sudo apt install easyhdr=<VERSION_BEFORE_1.60.2> sudo apt-mark hold easyhdr

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

dnf --showduplicates list easyhdr sudo dnf downgrade easyhdr-<VERSION_BEFORE_1.60.2> sudo dnf versionlock add easyhdr

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-2009-0254?

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

Is CVE-2009-0254 being exploited?

CVE-2009-0254 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-2009-0254 affect?

CVE-2009-0254 affects easyhdr. Severity is high (CVSS 9.3). Stack-based buffer overflow in easyHDR PRO 1.60.2 allows user-assisted attackers to execute arbitrary code via an invalid Flexible Image Transport System (FITS) file. NOTE: some of these details are obtained from third party information.

How urgent is CVE-2009-0254?

Priority 54/100. Critical severity

Related CVEs

CVE-2009-0246 HIGH 9.3 DOWNGRADE Stack-based buffer overflow in easyHDR PRO 1.60.2 allows user-assisted attackers to execute arbitrary code via

References

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