CVE-2010-1687: Stack-based buffer overflow in lpd.exe in Mocha W32 LPD 1.9 allows remote attackers to cause a denial of servi

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MEDIUM 5.0DOWNGRADE

CVE-2010-1687 is a medium-severity flaw (CVSS 5.0) affecting mocha w32 lpd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in lpd.exe in Mocha W32 LPD 1.9 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted "recieve jobs" request. NOTE: some of these details are obtained from third party information.

Why this priority

EPSS top 8%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	5.1% (top 8%)
CISA exploited list	No
Weakness	CWE-119
Published	2010-05-04
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mochasoft

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

Am I affected?

Timeline

2010-05-04 16:00 UTCPublished CVE record published
2026-06-16 23:19 UTCUpdated Record last modified

mochasoft mocha w32 lpd DOWNGRADE

Affected: 1.9

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.9

1. Check installed version

apt-cache policy mocha-w32-lpd || rpm -q mocha-w32-lpd || mocha-w32-lpd --version

2. No fixed release: DOWNGRADE to a release before 1.9 (Debian / Ubuntu)

apt-cache madison mocha-w32-lpd sudo apt install mocha-w32-lpd=<VERSION_BEFORE_1.9> sudo apt-mark hold mocha-w32-lpd

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

dnf --showduplicates list mocha-w32-lpd sudo dnf downgrade mocha-w32-lpd-<VERSION_BEFORE_1.9> sudo dnf versionlock add mocha-w32-lpd

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: Mocha LPD 1.9 - Remote Buffer Overflow (Denial of Service) (PoC)

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-2010-1687?

mocha w32 lpd: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2010-1687 being exploited?

CVE-2010-1687 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-2010-1687 affect?

CVE-2010-1687 affects mocha w32 lpd. Severity is medium (CVSS 5.0). Stack-based buffer overflow in lpd.exe in Mocha W32 LPD 1.9 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted "recieve jobs" request. NOTE: some of these details are obtained fro

How urgent is CVE-2010-1687?

Priority 46/100. EPSS top 8%: very likely to be exploited; Public exploit reference

References

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