CVE-2013-1809: Gambas before 3.4.0 allows remote attackers to move or manipulate directory contents or perform symlink attack

Q: How do I fix CVE-2013-1809?

gambas: upgrade to 3.4.0; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2013-1809 being exploited?

CVE-2013-1809 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-2013-1809 affect?

CVE-2013-1809 affects gambas, debian linux. Severity is high (CVSS 7.5). Gambas before 3.4.0 allows remote attackers to move or manipulate directory contents or perform symlink attacks due to the creation of insecure temporary directories.

Q: How urgent is CVE-2013-1809?

Priority 56/100. High severity; Remotely exploitable, no login, no user action; On your watchlist

This month

HIGH 7.5REMOTEWATCHLISTUPGRADEMITIGATE

CVE-2013-1809 is a high-severity flaw (CVSS 7.5) affecting gambas, debian linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Gambas before 3.4.0 allows remote attackers to move or manipulate directory contents or perform symlink attacks due to the creation of insecure temporary directories.

Why this priority

High severity
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.0% (top 19%)
CISA exploited list	No
Weakness	CWE-59
Published	2019-11-07
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: debian · gambas project

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

Am I affected?

Timeline

2019-11-07 23:15 UTCPublished CVE record published
2026-06-16 23:52 UTCUpdated Record last modified

gambas project gambas UPGRADE

Affected: < 3.4.0

Fixed in: 3.4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 3.4.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade gambas

Note

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

debian debian linux MITIGATE

Affected: 8.0 · 9.0 · 10.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2013-1809?

gambas: upgrade to 3.4.0; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-1809 being exploited?

CVE-2013-1809 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-2013-1809 affect?

CVE-2013-1809 affects gambas, debian linux. Severity is high (CVSS 7.5). Gambas before 3.4.0 allows remote attackers to move or manipulate directory contents or perform symlink attacks due to the creation of insecure temporary directories.

How urgent is CVE-2013-1809?

Priority 56/100. High severity; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Debian vulnerabilities

References

← Back to latest CVEs