Symantec Decomposer, as used in certain Symantec antivirus products including Symantec Scan Engine 5.1.2 and other versions before 5.1.6.31,
Symantec Decomposer, as used in certain Symantec antivirus products including Symantec Scan Engine 5.1.2 and other versions before 5.1.6.31, allows remote attackers to cause a denial of service (memory consumption) via a malformed RAR file to the Internet Content Adaptation Protocol (ICAP) port (1344/tcp).
- Published
- Feb 28, 2008
- Updated
- Jun 16, 2026
- EPSS
- 2.6% · 84th percentile
- CWE
- CWE-399
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Report tools
Action score
29
Monitor
Low priority for now.
- CVSS
- 28 / 40 · 7.1 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 2.6%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| symantec | scan engine | cpe:2.3:a:symantec:scan_engine |
| symantec | symantec antivirus clearswift | cpe:2.3:a:symantec:symantec_antivirus_clearswift |
| symantec | symantec antivirus filtering domino mpe | cpe:2.3:a:symantec:symantec_antivirus_filtering_domino_mpe |
| symantec | symantec antivirus messaging | cpe:2.3:a:symantec:symantec_antivirus_messaging |
| symantec | symantec antivirus microsoft sharepoint | cpe:2.3:a:symantec:symantec_antivirus_microsoft_sharepoint |
| symantec | symantec antivirus ms isa | cpe:2.3:a:symantec:symantec_antivirus_ms_isa |
| symantec | symantec antivirus network attached storage | cpe:2.3:a:symantec:symantec_antivirus_network_attached_storage |
| symantec | symantec antivirus scan engine | cpe:2.3:a:symantec:symantec_antivirus_scan_engine |
| symantec | symantec antivirus scan engine caching | cpe:2.3:a:symantec:symantec_antivirus_scan_engine_caching |
| symantec | symantec mail security exchange | cpe:2.3:a:symantec:symantec_mail_security_exchange |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- symantec scan engineup to 5.1.4.24 inclusive
- symantec symantec antivirus clearswiftup to 4.3.16.39 inclusive
- symantec symantec antivirus filtering domino mpeup to 3.0.12 inclusive
- symantec symantec antivirus messagingup to 4.3.16.39 inclusive
- symantec symantec antivirus microsoft sharepointup to 4.3.16.39 inclusive
- symantec symantec antivirus ms isaup to 4.3.16.39 inclusive
- symantec symantec antivirus network attached storageup to 4.3.16.39 inclusive
- symantec symantec antivirus scan engineup to 4.3.16.39 inclusive
- symantec symantec antivirus scan engine cachingup to 4.3.16.39 inclusive
- symantec symantec mail security exchangeup to 4.6.5.12 inclusive
- symantec symantec mail security exchangeup to 5.0.4.363 inclusive
Same product
symantec: all recordsOther highest-scoring records for the same primary product.
- CVE-2008-0309Stack-based buffer overflow in Symantec Decomposer, as used in certain Symantec antivirus products including Symantec Scan Engine 5.1.2 and 28Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- C · the service can be disrupted
- Attack complexity
- M
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- C
Weakness class (CWE)
CWE-399 · Resource Management ErrorsCVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:C
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- labs.idefense.com/intelligence/vulnerabilities/display.php?id=666
- secunia.com/advisories/29140
- www.securityfocus.com/bid/27911
- www.securitytracker.com/id?1019503
- www.symantec.com/avcenter/security/Content/2008.02.27.html
- www.vupen.com/english/advisories/2008/0680
Vendor advisories and official records. Exploit/PoC links are deliberately left out.