CVE-2008-5753: Stack-based buffer overflow in BulletProof FTP Client 2.63 and 2010 allows user-assisted attackers to execute

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HIGH 9.3DOWNGRADE

CVE-2008-5753 is a high-severity flaw (CVSS 9.3) affecting bulletproof ftp client. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in BulletProof FTP Client 2.63 and 2010 allows user-assisted attackers to execute arbitrary code via a bookmark file entry with a long host name, which appears as a host parameter within the quick-connect bar.

Why this priority

Critical severity
EPSS top 5%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	7.5% (top 5%)
CISA exploited list	No
Weakness	CWE-119
Published	2008-12-30
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: bpftp

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

Am I affected?

Timeline

2008-12-30 17:30 UTCPublished CVE record published
2026-06-16 23:00 UTCUpdated Record last modified

bpftp bulletproof ftp client DOWNGRADE

Affected: 2.63

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.63

1. Check installed version

apt-cache policy bulletproof-ftp-client || rpm -q bulletproof-ftp-client || bulletproof-ftp-client --version

2. No fixed release: DOWNGRADE to a release before 2.63 (Debian / Ubuntu)

apt-cache madison bulletproof-ftp-client sudo apt install bulletproof-ftp-client=<VERSION_BEFORE_2.63> sudo apt-mark hold bulletproof-ftp-client

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

dnf --showduplicates list bulletproof-ftp-client sudo dnf downgrade bulletproof-ftp-client-<VERSION_BEFORE_2.63> sudo dnf versionlock add bulletproof-ftp-client

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: BulletProof FTP Client 2.63 - Local Heap Overflow (PoC)
Exploit-DB: BulletProof FTP Client 2010 - Local Buffer Overflow (DEP Bypass)

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-2008-5753?

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

Is CVE-2008-5753 being exploited?

CVE-2008-5753 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-2008-5753 affect?

CVE-2008-5753 affects bulletproof ftp client. Severity is high (CVSS 9.3). Stack-based buffer overflow in BulletProof FTP Client 2.63 and 2010 allows user-assisted attackers to execute arbitrary code via a bookmark file entry with a long host name, which appears as a host parameter within the quick-connect bar.

How urgent is CVE-2008-5753?

Priority 61/100. Critical severity; EPSS top 5%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2008-5754 HIGH 9.3 DOWNGRADE Stack-based buffer overflow in BulletProof FTP Client allows user-assisted attackers to execute arbitrary code

References

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