CVE-2009-1753: Coccinelle 0.1.7 allows local users to overwrite arbitrary files via a symlink attack on an unspecified "resul

Routine

LOW 3.3DOWNGRADE

CVE-2009-1753 is a low-severity flaw (CVSS 3.3) affecting coccinelle. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Coccinelle 0.1.7 allows local users to overwrite arbitrary files via a symlink attack on an unspecified "result file."

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	3.3 (Low)
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-59
Published	2009-05-22
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: emn

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

Am I affected?

Timeline

2009-05-22 11:53 UTCPublished CVE record published
2026-06-16 23:07 UTCUpdated Record last modified

emn coccinelle DOWNGRADE

Affected: 0.1.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1.7

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.1.7 (Debian / Ubuntu)

apt-cache madison coccinelle sudo apt install coccinelle=<VERSION_BEFORE_0.1.7> sudo apt-mark hold coccinelle

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

dnf --showduplicates list coccinelle sudo dnf downgrade coccinelle-<VERSION_BEFORE_0.1.7> sudo dnf versionlock add coccinelle

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-2009-1753?

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

Is CVE-2009-1753 being exploited?

CVE-2009-1753 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-2009-1753 affect?

CVE-2009-1753 affects coccinelle. Severity is low (CVSS 3.3). Coccinelle 0.1.7 allows local users to overwrite arbitrary files via a symlink attack on an unspecified "result file."

How urgent is CVE-2009-1753?

Priority 18/100. No elevated risk signals yet.

References

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