CVE-2001-0032: Format string vulnerability in ssldump possibly allows remote attackers to cause a denial of service and possi

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HIGH 10.0DOWNGRADE

CVE-2001-0032 is a high-severity flaw (CVSS 10.0) affecting ssldump. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Format string vulnerability in ssldump possibly allows remote attackers to cause a denial of service and possibly gain root privileges via malicious format string specifiers in a URL.

Why this priority

Critical severity
EPSS top 9%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	4.3% (top 9%)
CISA exploited list	No
Published	2001-02-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: eric rescorla

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

Am I affected?

Timeline

2001-02-16 05:00 UTCPublished CVE record published
2026-06-16 21:53 UTCUpdated Record last modified

eric rescorla ssldump DOWNGRADE

Affected: 0.9b1

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.9b1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.9b1 (Debian / Ubuntu)

apt-cache madison ssldump sudo apt install ssldump=<VERSION_BEFORE_0.9b1> sudo apt-mark hold ssldump

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

dnf --showduplicates list ssldump sudo dnf downgrade ssldump-<VERSION_BEFORE_0.9b1> sudo dnf versionlock add ssldump

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: ssldump 0.9 b1 - Format String

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-2001-0032?

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

Is CVE-2001-0032 being exploited?

CVE-2001-0032 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-2001-0032 affect?

CVE-2001-0032 affects ssldump. Severity is high (CVSS 10.0). Format string vulnerability in ssldump possibly allows remote attackers to cause a denial of service and possibly gain root privileges via malicious format string specifiers in a URL.

How urgent is CVE-2001-0032?

Priority 63/100. Critical severity; EPSS top 9%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2002-2227 HIGH 10.0 UPGRADE Buffer underflow in ssldump 0.9b2 and earlier allows remote attackers to cause a denial of service (memory cor
CVE-2002-2207 HIGH 10.0 DOWNGRADE Buffer overflow in ssldump 0.9b2 and earlier, when running in decryption mode, allows remote attackers to exec

References

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