CVE-2008-0311: Stack-based buffer overflow in the PGMWebHandler::parse_request function in the StarTeam Multicast Service com

This week

HIGH 9.3DOWNGRADE

CVE-2008-0311 is a high-severity flaw (CVSS 9.3) affecting caliberrm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in the PGMWebHandler::parse_request function in the StarTeam Multicast Service component (STMulticastService) 6.4 in Borland CaliberRM 2006 allows remote attackers to execute arbitrary code via a large HTTP request.

Why this priority

Critical severity
EPSS top 2%: 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	31.0% (top 2%)
CISA exploited list	No
Weakness	CWE-119
Published	2008-04-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: borland

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

Am I affected?

Timeline

2008-04-06 23:44 UTCPublished CVE record published
2026-06-16 22:49 UTCUpdated Record last modified

borland caliberrm DOWNGRADE

Affected: 2006

Fixed in: no fixed release known

Safe to downgrade to: a release before 2006

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2006 (Debian / Ubuntu)

apt-cache madison caliberrm sudo apt install caliberrm=<VERSION_BEFORE_2006> sudo apt-mark hold caliberrm

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

dnf --showduplicates list caliberrm sudo dnf downgrade caliberrm-<VERSION_BEFORE_2006> sudo dnf versionlock add caliberrm

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: Borland CaliberRM - StarTeam Multicast Service Buffer Overflow (Metasploit)
Metasploit: Borland CaliberRM StarTeam Multicast Service Buffer Overflow

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-2008-0311?

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

Is CVE-2008-0311 being exploited?

CVE-2008-0311 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-2008-0311 affect?

CVE-2008-0311 affects caliberrm. Severity is high (CVSS 9.3). Stack-based buffer overflow in the PGMWebHandler::parse_request function in the StarTeam Multicast Service component (STMulticastService) 6.4 in Borland CaliberRM 2006 allows remote attackers to execute arbitrary code via a large HTTP reque

How urgent is CVE-2008-0311?

Priority 62/100. Critical severity; EPSS top 2%: very likely to be exploited; Public exploit reference

References

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