CVE-2007-1385: chunkcounter.cpp in KTorrent before 2.1.2 allows remote attackers to cause a denial of service (crash) and hea

Q: How do I fix CVE-2007-1385?

ktorrent: upgrade to newer than 2.1.1. Exact commands for each OS are on this page.

Q: Is CVE-2007-1385 being exploited?

CVE-2007-1385 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-2007-1385 affect?

CVE-2007-1385 affects ktorrent. Severity is high (CVSS 7.5). chunkcounter.cpp in KTorrent before 2.1.2 allows remote attackers to cause a denial of service (crash) and heap corruption via a negative or large idx value.

This month

HIGH 7.5UPGRADE

CVE-2007-1385 is a high-severity flaw (CVSS 7.5) affecting ktorrent. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

chunkcounter.cpp in KTorrent before 2.1.2 allows remote attackers to cause a denial of service (crash) and heap corruption via a negative or large idx value.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.4% (top 16%)
CISA exploited list	No
Published	2007-03-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: joris guisson

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

Am I affected?

Timeline

2007-03-10 18:19 UTCPublished CVE record published
2026-06-16 22:37 UTCUpdated Record last modified

joris guisson ktorrent UPGRADE

Affected: <= 2.1.1

Fixed in: newer than 2.1.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.1.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ktorrent

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-2007-1385?

ktorrent: upgrade to newer than 2.1.1. Exact commands for each OS are on this page.

Is CVE-2007-1385 being exploited?

CVE-2007-1385 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-2007-1385 affect?

CVE-2007-1385 affects ktorrent. Severity is high (CVSS 7.5). chunkcounter.cpp in KTorrent before 2.1.2 allows remote attackers to cause a denial of service (crash) and heap corruption via a negative or large idx value.

How urgent is CVE-2007-1385?

Priority 47/100. High severity

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References

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