CVE-2016-5309: broadcom symantec_data_center_security_server Out-of-bounds Read
Vulnerability summary
CVE-2016-5309 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in broadcom symantec_data_center_security_server. EPSS estimates a 6.88% chance of exploitation in the next 30 days, higher than 93.9% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 14-04-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The RAR file parser component in the AntiVirus Decomposer engine in Symantec Advanced Threat Protection: Network (ATP); Symantec Email Security.Cloud; Symantec Data Center Security: Server; Symantec Endpoint Protection (SEP) for Windows before 12.1.6 MP5; Symantec Endpoint Protection (SEP) for Mac; Symantec Endpoint Protection (SEP) for Linux before 12.1.6 MP6; Symantec Endpoint Protection for Small Business Enterprise (SEP SBE/SEP.Cloud); Symantec Endpoint Protection Cloud (SEPC) for Windows/Mac; Symantec Endpoint Protection Small Business Edition 12.1; CSAPI before 10.0.4 HF02; Symantec Protection Engine (SPE) before 7.0.5 HF02, 7.5.x before 7.5.4 HF02, 7.5.5 before 7.5.5 HF01, and 7.8.x before 7.8.0 HF03; Symantec Mail Security for Domino (SMSDOM) before 8.0.9 HF2.1, 8.1.x before 8.1.2 HF2.3, and 8.1.3 before 8.1.3 HF2.2; Symantec Mail Security for Microsoft Exchange (SMSMSE) before 6.5.8_3968140 HF2.3, 7.x before 7.0_3966002 HF2.1, and 7.5.x before 7.5_3966008 VHF2.2; Symantec Protection for SharePoint Servers (SPSS) before SPSS_6.0.3_To_6.0.5_HF_2.5 update, 6.0.6 before 6.0.6 HF_2.6, and 6.0.7 before 6.0.7_HF_2.7; Symantec Messaging Gateway (SMG) before 10.6.2; Symantec Messaging Gateway for Service Providers (SMG-SP) before 10.5 patch 260 and 10.6 before patch 259; Symantec Web Gateway; and Symantec Web Security.Cloud allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted RAR file that is mishandled during decompression.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
6.88%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
0.00 pp
From 6.88% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (bugs.chromium.org)
Maturity: unknown
Symantec RAR Decomposer Engine (Multiple Products) - Out-of-Bounds Read / Out-of-Bounds Write
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Symantec14 products
- advanced_threat_protectionna
- csapi≤ 10.0.4
- email_security.cloudna
- endpoint_protection≤ 12.1.4 | ≤ 12.1.6
- endpoint_protection_cloudna
Broadcom1 product
2 vendors · 15 products
References
8 links- bugs.chromium.org/p/project-zero/issues/detail?id=867X Refsource MISCExploitPatchThird Party Advisory