CVE-2005-1089: Unknown vulnerability in DC++ before 0.674 allows attackers to append data to arbitrary files.

Q: How do I fix CVE-2005-1089?

dc\+\+: upgrade to newer than 0.673. Exact commands for each OS are on this page.

Q: Is CVE-2005-1089 being exploited?

CVE-2005-1089 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-2005-1089 affect?

CVE-2005-1089 affects dc\+\+. Severity is medium (CVSS 5.0). Unknown vulnerability in DC++ before 0.674 allows attackers to append data to arbitrary files.

Q: How urgent is CVE-2005-1089?

Priority 34/100. No elevated risk signals yet.

Routine

MEDIUM 5.0UPGRADE

CVE-2005-1089 is a medium-severity flaw (CVSS 5.0) affecting dc\+\+. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unknown vulnerability in DC++ before 0.674 allows attackers to append data to arbitrary files.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.1% (top 33%)
CISA exploited list	No
Published	2005-04-11
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: dc\+\+

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

Am I affected?

Timeline

2005-04-11 04:00 UTCPublished CVE record published
2026-06-16 22:12 UTCUpdated Record last modified

dc\+\+ dc\+\+ UPGRADE

Affected: <= 0.673

Fixed in: newer than 0.673

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy dc++ || rpm -q dc++ || dc++ --version

2. UPGRADE to newer than 0.673 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade dc++

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dc++

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-2005-1089?

dc\+\+: upgrade to newer than 0.673. Exact commands for each OS are on this page.

Is CVE-2005-1089 being exploited?

CVE-2005-1089 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-2005-1089 affect?

CVE-2005-1089 affects dc\+\+. Severity is medium (CVSS 5.0). Unknown vulnerability in DC++ before 0.674 allows attackers to append data to arbitrary files.

How urgent is CVE-2005-1089?

Priority 34/100. No elevated risk signals yet.

References

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