CVE-2015-2779: Stack consumption vulnerability in the message splitting functionality in Quassel before 0.12-rc1 allows remot

Q: How do I fix CVE-2015-2779?

quassel: upgrade to newer than 0.11.0. Exact commands for each OS are on this page.

Q: Is CVE-2015-2779 being exploited?

CVE-2015-2779 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-2015-2779 affect?

CVE-2015-2779 affects quassel. Severity is medium (CVSS 5.0). Stack consumption vulnerability in the message splitting functionality in Quassel before 0.12-rc1 allows remote attackers to cause a denial of service (uncontrolled recursion) via a crafted massage.

Q: How urgent is CVE-2015-2779?

Priority 39/100. No elevated risk signals yet.

Routine

MEDIUM 5.0UPGRADE

CVE-2015-2779 is a medium-severity flaw (CVSS 5.0) affecting quassel. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack consumption vulnerability in the message splitting functionality in Quassel before 0.12-rc1 allows remote attackers to cause a denial of service (uncontrolled recursion) via a crafted massage.

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	2.8% (top 14%)
CISA exploited list	No
Weakness	CWE-399
Published	2015-04-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: quassel-irc

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2015-04-10 15:00 UTCPublished CVE record published
2026-06-17 00:24 UTCUpdated Record last modified

quassel-irc quassel UPGRADE

Affected: <= 0.11.0

Fixed in: newer than 0.11.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.11.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade quassel

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-2015-2779?

quassel: upgrade to newer than 0.11.0. Exact commands for each OS are on this page.

Is CVE-2015-2779 being exploited?

CVE-2015-2779 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-2015-2779 affect?

CVE-2015-2779 affects quassel. Severity is medium (CVSS 5.0). Stack consumption vulnerability in the message splitting functionality in Quassel before 0.12-rc1 allows remote attackers to cause a denial of service (uncontrolled recursion) via a crafted massage.

How urgent is CVE-2015-2779?

Priority 39/100. No elevated risk signals yet.

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References

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