CVE-2002-0660: Buffer overflow in libpng 1.0.12-3.woody.2 and libpng3 1.2.1-1.1.woody.2 on Debian GNU/Linux 3.0, and other op

This month

HIGH 7.5WATCHLISTDOWNGRADEDOWNGRADE

CVE-2002-0660 is a high-severity flaw (CVSS 7.5) affecting libpng, libpng3. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in libpng 1.0.12-3.woody.2 and libpng3 1.2.1-1.1.woody.2 on Debian GNU/Linux 3.0, and other operating systems, may allow attackers to cause a denial of service and possibly execute arbitrary code, a different vulnerability than CVE-2002-0728.

Why this priority

High severity
On your watchlist

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	3.0% (top 13%)
CISA exploited list	No
Published	2002-08-12
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: greg roelofs

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

Am I affected?

Timeline

2002-08-12 04:00 UTCPublished CVE record published
2026-06-16 21:57 UTCUpdated Record last modified

greg roelofs libpng DOWNGRADE

Affected: 1.0.12

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.12

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0.12 (Debian / Ubuntu)

apt-cache madison libpng sudo apt install libpng=<VERSION_BEFORE_1.0.12> sudo apt-mark hold libpng

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

dnf --showduplicates list libpng sudo dnf downgrade libpng-<VERSION_BEFORE_1.0.12> sudo dnf versionlock add libpng

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.

greg roelofs libpng3 DOWNGRADE

Affected: 1.2.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2.1

1. Check installed version

apt-cache policy libpng3 || rpm -q libpng3 || libpng3 --version

2. No fixed release: DOWNGRADE to a release before 1.2.1 (Debian / Ubuntu)

apt-cache madison libpng3 sudo apt install libpng3=<VERSION_BEFORE_1.2.1> sudo apt-mark hold libpng3

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

dnf --showduplicates list libpng3 sudo dnf downgrade libpng3-<VERSION_BEFORE_1.2.1> sudo dnf versionlock add libpng3

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-2002-0660?

libpng: downgrade or apply the listed mitigation; libpng3: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2002-0660 being exploited?

CVE-2002-0660 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-2002-0660 affect?

CVE-2002-0660 affects libpng, libpng3. Severity is high (CVSS 7.5). Buffer overflow in libpng 1.0.12-3.woody.2 and libpng3 1.2.1-1.1.woody.2 on Debian GNU/Linux 3.0, and other operating systems, may allow attackers to cause a denial of service and possibly execute arbitrary code, a different vulnerability t

How urgent is CVE-2002-0660?

Priority 53/100. High severity; On your watchlist

Software pages

Debian vulnerabilities · libpng vulnerabilities

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References

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