CVE-2007-0344: Multiple format string vulnerabilities in (1) _invitedToRoom: and (2) _invitedToDirectChat: in Colloquy 2.1 an

Q: How do I fix CVE-2007-0344?

colloquy: upgrade to newer than 2.1. Exact commands for each OS are on this page.

Q: Is CVE-2007-0344 being exploited?

CVE-2007-0344 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-2007-0344 affect?

CVE-2007-0344 affects colloquy. Severity is high (CVSS 7.5). Multiple format string vulnerabilities in (1) _invitedToRoom: and (2) _invitedToDirectChat: in Colloquy 2.1 and earlier allow remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via format s

Q: How urgent is CVE-2007-0344?

Priority 55/100. High severity; EPSS top 6%: very likely to be exploited; Public exploit reference

This month

HIGH 7.5UPGRADE

CVE-2007-0344 is a high-severity flaw (CVSS 7.5) affecting colloquy. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple format string vulnerabilities in (1) _invitedToRoom: and (2) _invitedToDirectChat: in Colloquy 2.1 and earlier allow remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via format string specifiers in the channel name of an INVITE request, related to the implementation of AlertSheet and AlertPanel in Apple AppKit.

Why this priority

High severity
EPSS top 6%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	6.7% (top 6%)
CISA exploited list	No
Weakness	CWE-134
Published	2007-01-18
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: colloquy

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

Am I affected?

Timeline

2007-01-18 02:28 UTCPublished CVE record published
2026-06-16 22:35 UTCUpdated Record last modified

colloquy colloquy UPGRADE

Affected: <= 2.1

Fixed in: newer than 2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade colloquy

Note

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

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Colloquy 2.1.3545 - 'INVITE' Format String Denial of Service

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-2007-0344?

colloquy: upgrade to newer than 2.1. Exact commands for each OS are on this page.

Is CVE-2007-0344 being exploited?

CVE-2007-0344 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-2007-0344 affect?

CVE-2007-0344 affects colloquy. Severity is high (CVSS 7.5). Multiple format string vulnerabilities in (1) _invitedToRoom: and (2) _invitedToDirectChat: in Colloquy 2.1 and earlier allow remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via format s

How urgent is CVE-2007-0344?

Priority 55/100. High severity; EPSS top 6%: very likely to be exploited; Public exploit reference

References

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