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CVE-2005-4438

23
FAUCET Score

CVE-2005-4438 describes a heap-based buffer overflow in Dec2Rar.dll version 3.2.14.3, a component of the Symantec Antivirus Library used across various Symantec products. This vulnerability allows remote attackers to execute arbitrary code by crafting malicious RAR archives with malformed sub-block header length values. With a CVSS score of 7.5, it is considered highly severe, requiring no authentication and having low attack complexity, potentially leading to partial confidentiality, integrity, and availability compromise. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this decade-old vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
3.2.14.3CPE matchmatch criteria
cpe:2.3:a:dec2rar.dll:dec2rar.dll:3.2.14.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
6.26%
Probability of exploitation in next 30 days
EPSS Percentile
92.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0626 is in the 88th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

secunia.com / advisories/18131
Vendor Advisory
securityreason.com / securityalert/276
securitytracker.com / id
kb.cert.org / vuls/id/305272
US Government Resource
rem0te.com / public/images/symc2.pdf
Vendor Advisory
securityfocus.com / archive/1/419853/100/0/threaded
securityfocus.com / bid/15971
vupen.com / english/advisories/2005/3003