CVE-2012-6309: A vulnerability exists in Arctic Torrent 1.4 via unspecified vectors in .torrent file handling, which could le

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HIGH 7.5REMOTEDOWNGRADE

CVE-2012-6309 is a high-severity flaw (CVSS 7.5) affecting arctic torrent. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability exists in Arctic Torrent 1.4 via unspecified vectors in .torrent file handling, which could let a malicious user cause a Denial of Service.

Why this priority

High severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 36%)
CISA exploited list	No
Published	2020-02-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: arctic torrent project

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

Am I affected?

Timeline

2020-02-06 18:15 UTCPublished CVE record published
2026-06-16 23:47 UTCUpdated Record last modified

arctic torrent project arctic torrent DOWNGRADE

Affected: 1.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.4

1. Check installed version

apt-cache policy arctic-torrent || rpm -q arctic-torrent || arctic-torrent --version

2. No fixed release: DOWNGRADE to a release before 1.4 (Debian / Ubuntu)

apt-cache madison arctic-torrent sudo apt install arctic-torrent=<VERSION_BEFORE_1.4> sudo apt-mark hold arctic-torrent

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

dnf --showduplicates list arctic-torrent sudo dnf downgrade arctic-torrent-<VERSION_BEFORE_1.4> sudo dnf versionlock add arctic-torrent

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-2012-6309?

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

Is CVE-2012-6309 being exploited?

CVE-2012-6309 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-2012-6309 affect?

CVE-2012-6309 affects arctic torrent. Severity is high (CVSS 7.5). A vulnerability exists in Arctic Torrent 1.4 via unspecified vectors in .torrent file handling, which could let a malicious user cause a Denial of Service.

How urgent is CVE-2012-6309?

Priority 47/100. High severity; Remotely exploitable, no login, no user action

References

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