CVE-2010-3438: libpoe-component-irc-perl before v6.32 does not remove carriage returns and line feeds

Q: How do I fix CVE-2010-3438?

libpoe-component-irc-perl: upgrade to 6.32; debian linux: mitigate or apply the listed mitigation; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2010-3438 being exploited?

CVE-2010-3438 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-2010-3438 affect?

CVE-2010-3438 affects libpoe-component-irc-perl, debian linux, fedora. Severity is critical (CVSS 9.8). libpoe-component-irc-perl before v6.32 does not remove carriage returns and line feeds. This can be used to execute arbitrary IRC commands by passing an argument such as "some text\rQUIT" to the 'privmsg' handler, which would cause the clie

Q: How urgent is CVE-2010-3438?

Priority 63/100. Critical severity; Remotely exploitable, no login, no user action; On your watchlist

This week

CRITICAL 9.8REMOTEWATCHLISTUPGRADEMITIGATEMITIGATE

CVE-2010-3438 is a critical-severity flaw (CVSS 9.8) affecting libpoe-component-irc-perl, debian linux, fedora. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

libpoe-component-irc-perl before v6.32 does not remove carriage returns and line feeds. This can be used to execute arbitrary IRC commands by passing an argument such as "some text\rQUIT" to the 'privmsg' handler, which would cause the client to disconnect from the server.

Why this priority

Critical severity
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Weakness	CWE-134
Published	2019-11-12
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: debian · fedoraproject · libpoe-component-irc-perl project

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

Am I affected?

Timeline

2019-11-12 20:15 UTCPublished CVE record published
2026-06-16 23:22 UTCUpdated Record last modified

libpoe-component-irc-perl project libpoe-component-irc-perl UPGRADE

Affected: < 6.32

Fixed in: 6.32

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy libpoe-component-irc-perl || rpm -q libpoe-component-irc-perl || libpoe-component-irc-perl --version

2. UPGRADE to 6.32 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade libpoe-component-irc-perl

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade libpoe-component-irc-perl

Note

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

debian debian linux MITIGATE

Affected: 8.0 · 9.0 · 10.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

fedoraproject fedora MITIGATE

Affected: 12 · 13

Fixed in: no fixed release known

Safe to downgrade to: a release before 12

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2010-3438?

libpoe-component-irc-perl: upgrade to 6.32; debian linux: mitigate or apply the listed mitigation; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2010-3438 being exploited?

CVE-2010-3438 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-2010-3438 affect?

CVE-2010-3438 affects libpoe-component-irc-perl, debian linux, fedora. Severity is critical (CVSS 9.8). libpoe-component-irc-perl before v6.32 does not remove carriage returns and line feeds. This can be used to execute arbitrary IRC commands by passing an argument such as "some text\rQUIT" to the 'privmsg' handler, which would cause the clie

How urgent is CVE-2010-3438?

Priority 63/100. Critical severity; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Debian vulnerabilities · Perl vulnerabilities

References

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