CVE-2004-0333: Buffer overflow in the UUDeview package, as used in WinZip 6.2 through WinZip 8.1 SR-1, and possibly other pac

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HIGH 10.0WATCHLISTMITIGATEDOWNGRADEDOWNGRADE

CVE-2004-0333 is a high-severity flaw (CVSS 10.0) affecting openpkg, uudeview, winzip. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in the UUDeview package, as used in WinZip 6.2 through WinZip 8.1 SR-1, and possibly other packages, allows remote attackers to execute arbitrary code via a MIME archive with certain long MIME parameters.

Why this priority

Critical severity
EPSS top 2%: very likely to be exploited
Public exploit reference
On your watchlist

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	24.2% (top 2%)
CISA exploited list	No
Published	2004-11-23
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: gentoo · openpkg · uudeview · winzip

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

Am I affected?

Timeline

2004-11-23 05:00 UTCPublished CVE record published
2026-06-16 22:05 UTCUpdated Record last modified

openpkg openpkg MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

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

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

uudeview uudeview DOWNGRADE

Affected: 0.5.18 · 0.5.19

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.5.18

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.5.18 (Debian / Ubuntu)

apt-cache madison uudeview sudo apt install uudeview=<VERSION_BEFORE_0.5.18> sudo apt-mark hold uudeview

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

dnf --showduplicates list uudeview sudo dnf downgrade uudeview-<VERSION_BEFORE_0.5.18> sudo dnf versionlock add uudeview

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.

winzip winzip DOWNGRADE

Affected: 7.0 · 8.0 · 8.1 · 8.1 sr1

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 7.0 (Debian / Ubuntu)

apt-cache madison winzip sudo apt install winzip=<VERSION_BEFORE_7.0> sudo apt-mark hold winzip

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

dnf --showduplicates list winzip sudo dnf downgrade winzip-<VERSION_BEFORE_7.0> sudo dnf versionlock add winzip

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.

gentoo linux MITIGATE

Affected: 1.4 · 1.4 rc1 · 1.4 rc2 · 1.4 rc3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.4

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.

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: WinZip - MIME Parsing 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-2004-0333?

openpkg: mitigate or apply the listed mitigation; uudeview: downgrade or apply the listed mitigation; winzip: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-0333 being exploited?

CVE-2004-0333 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-2004-0333 affect?

CVE-2004-0333 affects openpkg, uudeview, winzip. Severity is high (CVSS 10.0). Buffer overflow in the UUDeview package, as used in WinZip 6.2 through WinZip 8.1 SR-1, and possibly other packages, allows remote attackers to execute arbitrary code via a MIME archive with certain long MIME parameters.

How urgent is CVE-2004-0333?

Priority 69/100. Critical severity; EPSS top 2%: very likely to be exploited; Public exploit reference; On your watchlist

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References

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