VDB-243100 · CVE-2023-45682 · GHSL-2023-145

stb_vorbis OGG Vorbis File out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in stb_vorbis and classified as problematic. Affected by this vulnerability is an unknown functionality of the component OGG Vorbis File Handler. Executing a manipulation can lead to out-of-bounds. This vulnerability is registered as CVE-2023-45682. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability classified as problematic was found in stb_vorbis (the affected version is unknown). This vulnerability affects an unknown code of the component OGG Vorbis File Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. CVE summarizes:

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.

The weakness was published 10/21/2023 as GHSL-2023-145. The advisory is shared for download at securitylab.github.com. This vulnerability was named CVE-2023-45682 since 10/10/2023. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 213982 (Fedora 40 : libxmp (2025-c58133e520)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (213982). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

stb_vorbis

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 213982
Nessus Name: Fedora 40 : libxmp (2025-c58133e520)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/10/2023 🔍
10/21/2023 +11 days 🔍
10/21/2023 +0 days 🔍
04/21/2025 +548 days 🔍

Sourcesinfo

Advisory: GHSL-2023-145
Status: Not defined

CVE: CVE-2023-45682 (🔍)
GCVE (CVE): GCVE-0-2023-45682
GCVE (VulDB): GCVE-100-243100

Entryinfo

Created: 10/21/2023 09:29
Updated: 04/21/2025 09:37
Changes: 10/21/2023 09:29 (47), 11/12/2023 11:38 (11), 01/13/2025 18:49 (17), 04/21/2025 09:37 (3)
Complete: 🔍
Cache ID: 216::103