CVE-2004-1290: Buffer overflow in the process_moves function in pgn2web.c for pgn2web 0.3 allows remote attackers to execute

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HIGH 10.0DOWNGRADE

CVE-2004-1290 is a high-severity flaw (CVSS 10.0) affecting pgn2web. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in the process_moves function in pgn2web.c for pgn2web 0.3 allows remote attackers to execute arbitrary code via a crafted PGN file.

Why this priority

Critical severity
EPSS top 8%: very likely to be exploited

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	4.8% (top 8%)
CISA exploited list	No
Published	2005-01-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: william hoggarth

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

Am I affected?

Timeline

2005-01-10 05:00 UTCPublished CVE record published
2026-06-16 22:07 UTCUpdated Record last modified

william hoggarth pgn2web DOWNGRADE

Affected: 0.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.3

1. Check installed version

apt-cache policy pgn2web || rpm -q pgn2web || pgn2web --version

2. No fixed release: DOWNGRADE to a release before 0.3 (Debian / Ubuntu)

apt-cache madison pgn2web sudo apt install pgn2web=<VERSION_BEFORE_0.3> sudo apt-mark hold pgn2web

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

dnf --showduplicates list pgn2web sudo dnf downgrade pgn2web-<VERSION_BEFORE_0.3> sudo dnf versionlock add pgn2web

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-2004-1290?

pgn2web: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-1290 being exploited?

CVE-2004-1290 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-2004-1290 affect?

CVE-2004-1290 affects pgn2web. Severity is high (CVSS 10.0). Buffer overflow in the process_moves function in pgn2web.c for pgn2web 0.3 allows remote attackers to execute arbitrary code via a crafted PGN file.

How urgent is CVE-2004-1290?

Priority 58/100. Critical severity; EPSS top 8%: very likely to be exploited

References

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