CVE-2018-0429 — Stack-based buffer overflow in the Cisco Thor decoder before commit 18de8f9f0762c3a542b1122589edb8af859d9813 allows local users to cause a denial of service (segmentation fault) and execute arbitrary code via a crafted non-conformant Thor bitstream

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HIGH

Stack-based buffer overflow in the Cisco Thor decoder before commit 18de8f9f0762c3a542b1122589edb8af859d9813 allows local users to cause a denial of service (segmentation fault) and execute arbitrary code via a crafted non-conformant Thor bitstream

Published Aug 9, 2018

7.8

HIGH

CVSS 3.0

EPSS 0.50%

Description

Stack-based buffer overflow in the Cisco Thor decoder before commit 18de8f9f0762c3a542b1122589edb8af859d9813 allows local users to cause a denial of service (segmentation fault) and execute arbitrary code via a crafted non-conformant Thor bitstream.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.50% 0.00498

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

EPSS probability 0.00498

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (8 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	0.50% (0.00498)	40.38th	v5 (v2026.06.15)
Sep 20, 2026	0.50% (0.00498)	41.68th	v5 (v2026.06.15)
Jul 20, 2024	0.04% (0.00042)	5.06th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00042)	5.63th	v3 (v2023.03.01)
Mar 6, 2023	1.00% (0.01005)	38.10th	v2 (v2022.01.01)
Feb 4, 2022	1.00% (0.01005)	17.93th	v2 (v2022.01.01)
Feb 3, 2022	0.73% (0.00728)	19.94th	v5 (v2026.06.15)
Apr 14, 2021	0.73% (0.00728)	0.00th	v1

Weaknesses (1)

CWE-119

Buffer Overflow

References (2)

http://www.securityfocus.com/bid/105059
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://github.com/cisco/thor/commit/18de8f9f0762c3a542b1122589edb8af859d9813
x_refsource_CONFIRMPatchVendor Advisory

Link	Providers	Tags
http://www.securityfocus.com/bid/105059		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://github.com/cisco/thor/commit/18de8f9f0762c3a542b1122589edb8af859d9813		x_refsource_CONFIRMPatchVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner cisco

Published Aug 9, 2018

Updated Nov 26, 2024

Reserved Nov 27, 2017

Link CVE-2018-0429

CISA Vulnrichment

Updated Nov 25, 2024

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2018-0429

Red Hat

Severity n/a

Public date n/a

Links CVE-2018-0429