CVE-2013-7384: UnrealIRCd 3.2.10 before 3.2.10.2 allows remote attackers to cause a denial of service (NULL pointer dereferen

Routine

MEDIUM 5.0DOWNGRADE

CVE-2013-7384 is a medium-severity flaw (CVSS 5.0) affecting unrealircd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

UnrealIRCd 3.2.10 before 3.2.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via unspecified vectors, related to SSL. NOTE: this issue was SPLIT from CVE-2013-6413 per ADT2 due to different vulnerability types.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.4% (top 16%)
CISA exploited list	No
Published	2014-05-19
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: unrealircd

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

Am I affected?

Timeline

2014-05-19 14:55 UTCPublished CVE record published
2026-06-17 00:01 UTCUpdated Record last modified

unrealircd unrealircd DOWNGRADE

Affected: 3.2.10 · 3.2.10.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.2.10

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.2.10 (Debian / Ubuntu)

apt-cache madison unrealircd sudo apt install unrealircd=<VERSION_BEFORE_3.2.10> sudo apt-mark hold unrealircd

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list unrealircd sudo dnf downgrade unrealircd-<VERSION_BEFORE_3.2.10> sudo dnf versionlock add unrealircd

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2013-7384?

unrealircd: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-7384 being exploited?

CVE-2013-7384 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-2013-7384 affect?

CVE-2013-7384 affects unrealircd. Severity is medium (CVSS 5.0). UnrealIRCd 3.2.10 before 3.2.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via unspecified vectors, related to SSL. NOTE: this issue was SPLIT from CVE-2013-6413 per ADT2 due to different vu

How urgent is CVE-2013-7384?

Priority 38/100. No elevated risk signals yet.

Related CVEs

CVE-2023-50784 HIGH 7.5 UPGRADE A buffer overflow in websockets in UnrealIRCd 6.1.0 through 6.1.3 before 6.1.4 allows an unauthenticated remot
CVE-2017-13649 MEDIUM 5.5 UPGRADE UnrealIRCd 4.0.13 and earlier creates a PID file after dropping privileges to a non-root account, which might
CVE-2016-7144 HIGH 8.1 UPGRADE The m_authenticate function in modules/m_sasl.c in UnrealIRCd before 3.2.10.7 and 4.x before 4.0.6 allows remo
CVE-2013-6413 MEDIUM 5.0 DOWNGRADE Use-after-free vulnerability in UnrealIRCd 3.2.10 before 3.2.10.2 allows remote attackers to cause a denial of
CVE-2010-2075 HIGH 7.5 DOWNGRADE UnrealIRCd 3.2.8.1, as distributed on certain mirror sites from November 2009 through June 2010, contains an e

References

← Back to latest CVEs