CVE-2003-0625: Off-by-one error in certain versions of xfstt allows remote attackers to read potentially sensitive memory via

Q: How do I fix CVE-2003-0625?

xfstt: upgrade to 1.5.1. Exact commands for each OS are on this page.

Q: Is CVE-2003-0625 being exploited?

CVE-2003-0625 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2003-0625 affect?

CVE-2003-0625 affects xfstt. Severity is high (CVSS 7.5). Off-by-one error in certain versions of xfstt allows remote attackers to read potentially sensitive memory via a malformed client request in the connection handshake, which leaks the memory in the server's response.

Q: How urgent is CVE-2003-0625?

Priority 60/100. High severity; EPSS top 6%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2003-0625 is a high-severity flaw (CVSS 7.5) affecting xfstt. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Off-by-one error in certain versions of xfstt allows remote attackers to read potentially sensitive memory via a malformed client request in the connection handshake, which leaks the memory in the server's response.

Why this priority

High severity
EPSS top 6%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	7.1% (top 6%)
CISA exploited list	No
Weakness	CWE-193
Published	2003-08-27
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: hadrons

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

Am I affected?

Timeline

2003-08-27 04:00 UTCPublished CVE record published
2026-06-16 22:02 UTCUpdated Record last modified

hadrons xfstt UPGRADE

Affected: < 1.5.1

Fixed in: 1.5.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 1.5.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade xfstt

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade xfstt

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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: xfstt 1.2/1.4 - Memory Disclosure

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-2003-0625?

xfstt: upgrade to 1.5.1. Exact commands for each OS are on this page.

Is CVE-2003-0625 being exploited?

CVE-2003-0625 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-2003-0625 affect?

CVE-2003-0625 affects xfstt. Severity is high (CVSS 7.5). Off-by-one error in certain versions of xfstt allows remote attackers to read potentially sensitive memory via a malformed client request in the connection handshake, which leaks the memory in the server's response.

How urgent is CVE-2003-0625?

Priority 60/100. High severity; EPSS top 6%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2003-0581 HIGH 7.5 DOWNGRADE X Fontserver for Truetype fonts (xfstt) 1.4 allows remote attackers to cause a denial of service and possibly

References

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