CVE-2023-43361Public exploit

Crash via directory-only output path over-read

Published Oct 2, 2023 · Updated Nov 4, 2025

Heap-buffer over-read in oggenc in Xiph.Org Vorbis-tools 1.4.2 allows local users to crash the encoder through a directory-only output path. create_directories passes a pointer beyond the duplicated output string to strchr when -o names a directory ending in a separator. Reaching the fault requires local invocation or user interaction during WAV conversion; public evidence demonstrates an AddressSanitizer abort, not code execution.

CVSS severity7.8
High
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Heap-buffer over-read in oggenc in Xiph.Org Vorbis-tools 1.4.2 allows local users to crash the encoder through a directory-only output path. create_directories passes a pointer beyond the duplicated output string to strchr when -o names a directory ending in a separator. Reaching the fault requires local invocation or user interaction during WAV conversion; public evidence demonstrates an AddressSanitizer abort, not code execution.

The record

CVE
CVE-2023-43361
Published
Oct 2, 2023
Updated
Nov 4, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-787, T1204
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 2, 2023CVE publishedPublication date reported by the CVE source.
  2. Nov 4, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1204User Execution

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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