CVE-2007-5018: Stack-based buffer overflow in IMAPD in Mercury/32 4.52 allows remote authenticated users to execute arbitrary

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MEDIUM 6.0DOWNGRADE

CVE-2007-5018 is a medium-severity flaw (CVSS 6.0) affecting mercury 32. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in IMAPD in Mercury/32 4.52 allows remote authenticated users to execute arbitrary code via a long argument in a SEARCH ON command. NOTE: this issue might overlap with CVE-2004-1211.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.0 (Medium)
EPSS exploit chance	3.6% (top 10%)
CISA exploited list	No
Weakness	CWE-119
Published	2007-09-20
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: david harris

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

Am I affected?

Timeline

2007-09-20 21:17 UTCPublished CVE record published
2026-06-16 22:45 UTCUpdated Record last modified

david harris mercury 32 DOWNGRADE

Affected: 4.5.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.5.2

1. Check installed version

apt-cache policy mercury-32 || rpm -q mercury-32 || mercury-32 --version

2. No fixed release: DOWNGRADE to a release before 4.5.2 (Debian / Ubuntu)

apt-cache madison mercury-32 sudo apt install mercury-32=<VERSION_BEFORE_4.5.2> sudo apt-mark hold mercury-32

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

dnf --showduplicates list mercury-32 sudo dnf downgrade mercury-32-<VERSION_BEFORE_4.5.2> sudo dnf versionlock add mercury-32

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.

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: Mercury/32 4.52 IMAPD - 'SEARCH' (Authenticated) Overflow

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-2007-5018?

mercury 32: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2007-5018 being exploited?

CVE-2007-5018 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-2007-5018 affect?

CVE-2007-5018 affects mercury 32. Severity is medium (CVSS 6.0). Stack-based buffer overflow in IMAPD in Mercury/32 4.52 allows remote authenticated users to execute arbitrary code via a long argument in a SEARCH ON command. NOTE: this issue might overlap with CVE-2004-1211.

How urgent is CVE-2007-5018?

Priority 48/100. Public exploit reference

References

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