What is CVE-2008-5409?

CVE-2008-5409 is a vulnerability in Bitdefender Antivirus, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2008-12-10.

Is CVE-2008-5409 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Bitdefender Antivirus

CVE-2008-5409

Unspecified vulnerability in the pdf.xmd module in (1) BitDefender Free Edition 10 and Antivirus Standard 10, (2) BullGuard Internet Security 8.5, and (3) Software602 Groupware Server 6.0.08.1118 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted PDF file, possibly related to included compressed streams that were processed with the ASCIIHexDecode filter. NOTE: some of these details are obtained from third party information.

Vulnerability class: Buffer Overflow

Published 2008-12-10 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.111 (95.9th percentile), scored 2026-10-23.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.111 · newest: 0.111 · change: 0.000

Affected products

Bitdefender Antivirus — versions 10
Bitdefender — versions 10
Bullguard Internet Security — versions 8.5
Software602 Groupware Server — versions 6.0.08.1118

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

References

secunia.com/advisories/32789 (Vendor Advisory, third-party-advisory)
secunia.com/advisories/27805 (Vendor Advisory, third-party-advisory)
osvdb.org/50205 (vdb-entry)
www.exploit-db.com/exploits/7178 (exploit)
osvdb.org/50103 (vdb-entry)
www.securityfocus.com/bid/32396 (Exploit, vdb-entry)
exchange.xforce.ibmcloud.com/vulnerabilities/46750 (vdb-entry)
secunia.com/advisories/32814 (Vendor Advisory, third-party-advisory)
osvdb.org/50010 (vdb-entry)
milw0rm.com/sploits/2008-BitDefenderDOS.zip

Frequently asked questions

What is CVE-2008-5409?: CVE-2008-5409 is a vulnerability in Bitdefender Antivirus, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2008-12-10.
Is CVE-2008-5409 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.