CVE-2012-4953 — The decomposer engine in Symantec Endpoint Protection (SEP) 11.0, Symantec Endpoint Protection Small Business Edition 12.0, Symantec AntiVirus Corporate Edition (SAVCE) 10.x, and Symantec Scan Engine (SSE) before 5.2.8 does not properly perform bounds checks of the contents of CAB archives, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted file

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HIGH

The decomposer engine in Symantec Endpoint Protection (SEP) 11.0, Symantec Endpoint Protection Small Business Edition 12.0, Symantec AntiVirus Corporate Edition (SAVCE) 10.x, and Symantec Scan Engine (SSE) before 5.2.8 does not properly perform bounds checks of the contents of CAB archives, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted file

Published Nov 14, 2012

9.3

HIGH

CVSS 2.0

EPSS 6.04%

Description

The decomposer engine in Symantec Endpoint Protection (SEP) 11.0, Symantec Endpoint Protection Small Business Edition 12.0, Symantec AntiVirus Corporate Edition (SAVCE) 10.x, and Symantec Scan Engine (SSE) before 5.2.8 does not properly perform bounds checks of the contents of CAB archives, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted file.

Remediation

No remediation recorded yet.

Metrics

6.04% 0.06045

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.06045

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (11 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	6.04% (0.06045)	93.15th	v5 (v2026.06.15)
Jun 15, 2026	6.04% (0.06045)	92.41th	v5 (v2026.06.15)
Mar 30, 2025	9.49% (0.09486)	92.07th	v4 (v2025.03.14)
Mar 29, 2025	12.81% (0.12811)	90.02th	v4 (v2025.03.14)
Mar 17, 2025	9.49% (0.09486)	92.25th	v4 (v2025.03.14)
Dec 12, 2024	2.11% (0.02115)	89.61th	v3 (v2023.03.01)
Jun 14, 2024	2.11% (0.02115)	89.19th	v3 (v2023.03.01)
Mar 7, 2023	2.51% (0.02514)	88.46th	v3 (v2023.03.01)
Mar 6, 2023	4.15% (0.04146)	86.08th	v2 (v2022.01.01)
Apr 1, 2022	4.15% (0.04146)	84.67th	v2 (v2022.01.01)
Feb 4, 2022	4.15% (0.04146)	68.31th	v2 (v2022.01.01)

Weaknesses (1)

CWE-119

Buffer Overflow

References (4)

http://www.kb.cert.org/vuls/id/985625
third-party-advisoryx_refsource_CERT-VNUS Government Resource
http://www.securityfocus.com/bid/56399
vdb-entryx_refsource_BID
http://www.securitytracker.com/id?1027726
vdb-entryx_refsource_SECTRACK
http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2012&suid=20121107_00
x_refsource_CONFIRM

Link	Providers	Tags
http://www.kb.cert.org/vuls/id/985625		third-party-advisoryx_refsource_CERT-VNUS Government Resource
http://www.securityfocus.com/bid/56399		vdb-entryx_refsource_BID
http://www.securitytracker.com/id?1027726		vdb-entryx_refsource_SECTRACK
http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2012&suid=20121107_00		x_refsource_CONFIRM

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner certcc

Published Nov 14, 2012

Updated Aug 6, 2024

Reserved Sep 17, 2012

Link CVE-2012-4953

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2012-4953

Red Hat

Severity n/a

Public date n/a

Links CVE-2012-4953