swfrender 0.9.2 modules/swftools.c enumerateUsedIDs_fillstyle heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in swfrender 0.9.2. This issue affects the function enumerateUsedIDs_fillstyle of the file modules/swftools.c. The manipulation leads to heap-based overflow. This vulnerability is uniquely identified as CVE-2023-29950. No exploit exists.

Detailsinfo

A vulnerability was found in swfrender 0.9.2. It has been rated as critical. This issue affects the function enumerateUsedIDs_fillstyle of the file modules/swftools.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

swfrender v0.9.2 was discovered to contain a heap buffer overflow in the function enumerateUsedIDs_fillstyle at modules/swftools.c

The weakness was disclosed 04/28/2023 as 198. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2023-29950 since 04/07/2023. Technical details of the vulnerability are known, but there is no available exploit.

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 EUVD (EUVD-2023-33480). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 5.5
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/07/2023 🔍
04/28/2023 +21 days 🔍
04/28/2023 +0 days 🔍
12/16/2025 +963 days 🔍

Sourcesinfo

Advisory: 198
Status: Not defined

CVE: CVE-2023-29950 (🔍)
GCVE (CVE): GCVE-0-2023-29950
GCVE (VulDB): GCVE-100-227627
EUVD: 🔍

Entryinfo

Created: 04/28/2023 07:43
Updated: 12/16/2025 23:33
Changes: 04/28/2023 07:43 (39), 05/21/2023 13:13 (10), 01/31/2025 20:41 (24), 12/16/2025 23:33 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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