CVE-2023-34318

HIGH

A heap buffer overflow vulnerability was found in sox, in the startread function at sox/src/hcom.c:160:41. This flaw can lead to a denial of service, code execution, or information disclosure.

Affects 4 products across 3 vendors.

CVSS 3.17.8
EPSS0.3%
Percentile19th
PatchUnknown
CVSS Vector — Plain English Requires local access, low complexity, low privileges required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-122: Heap-Based Buffer Overflow

Buffer overflow corrupting dynamically allocated heap memory, exploitable for arbitrary code execution.

CWE-787: Out-of-Bounds Write

Software writes data past buffer boundaries, corrupting memory and potentially enabling code execution.

Related Attack Patterns (CAPEC)
CAPEC-92 Forced Integer Overflow
via CWE-122

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

A heap buffer overflow vulnerability in the sox application's startread function can lead to denial of service, code execution, or information disclosure.

BSID: BS-2023-GLOBAL-057563-H • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

Is this CVE in your environment?

BreachSpider monitors your ICS/OT environment for vulnerabilities like this one. No agents or network access required. Free to start.

Check My Environment →
Frequently Asked Questions
What is CVE-2023-34318?
A heap buffer overflow vulnerability in the sox application's startread function can lead to denial of service, code execution, or information disclosure.
What is the CVSS score for CVE-2023-34318?
CVE-2023-34318 has CVSS 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS: 0.3%.
Is CVE-2023-34318 actively exploited?
No confirmed active exploitation of CVE-2023-34318 as of 2026-05-30.
How do I remediate CVE-2023-34318?
Priority: IMMEDIATE. Advisory: https://access.redhat.com/security/cve/CVE-2023-34318
What systems are affected by CVE-2023-34318?
CVE-2023-34318 affects Fedoraproject Fedora, Extra Packages For Enterprise Linux; Redhat Enterprise Linux; Sound Exchange Project Sound Exchange.
Vulnerability Details
CVE IDCVE-2023-34318
BSIDBS-2023-GLOBAL-057563-H BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published2023-07-10
Last Modified2025-06-27
ICS Relevance15%
Weakness (CWE)
SourceNVD
Official Description

A heap buffer overflow vulnerability was found in sox, in the startread function at sox/src/hcom.c:160:41. This flaw can lead to a denial of service, code execution, or information disclosure.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The vulnerability exists in the startread function at sox/src/hcom.c:160:41, where improper handling of input data can cause a heap buffer overflow.

Exploitation Likelihood: HIGH

Affected Products
VendorProductAffected Versions
Fedoraproject Fedora 38
Fedoraproject Extra Packages For Enterprise Linux 8.0
Redhat Enterprise Linux 6.0 7.0
Sound Exchange Project Sound Exchange 14.4.3
Remediation
View Vendor Advisory →

Remediation Priority: IMMEDIATE

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 1193 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
SHA-512 Audit Hash7f1af6d01e5fe75958439dec75a987c59685c3603a7dd7e2ff0f7e6b38def8eac7d56bb1f1c8913626850af7191bda4e74a59c079e2be485d204dbc7f81eadd4
Related CVEs affecting Fedoraproject
CVE-2015-0278 10.0 libuv before 0.10.34 does not properly drop group privileges, which allows co... CVE-2010-4744 10.0 Multiple unspecified vulnerabilities in abcm2ps before 5.9.13 have unknown im... CVE-2014-1528 10.0 The sse2_composite_src_x888_8888 function in Pixman, as used in Cairo in Mozi... CVE-2009-0846 10.0 The asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in the A... CVE-2009-1896 10.0 The Java Web Start framework in IcedTea in OpenJDK before 1.6.0.0-20.b16.fc10...
View all Fedoraproject CVEs →

ICS/OT Vulnerability Intelligence for Your Environment

BreachSpider tracks 384,000+ CVEs and matches them to your ICS/OT assets by exact version, with AI analysis, NERC CIP mapping, and vendor PSIRT contacts.

Create a free account →