CVE-2023-45682

Wild address read in vorbis_decode_packet_rest in stb_vorbis

HIGH
7.1
CVSS Score
Published: October 20, 2023 at 11:27 PM UTC
Updated: June 17, 2026 at 06:29 AM UTC
1 product affected across 1 vendorStb Vorbis.c

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Severity
HIGH7.1
Exploit prediction
EPSS 0.6%
SSVC
PoC

Description

stb_vorbis is a single file MIT licensed library for processing ogg vorbis files. A crafted file may trigger out of bounds read in `DECODE` macro when `var` is negative. As it can be seen in the definition of `DECODE_RAW` a negative `var` is a valid value. This issue may be used to leak internal memory allocation information.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 1.221.22<= 1.22

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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