SWFTools 0.9.2 lib/rfxswf.c swf_ReadSWF2 stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in SWFTools 0.9.2 and classified as critical. This issue affects the function swf_ReadSWF2 in the library lib/rfxswf.c. This manipulation causes stack-based overflow. The identification of this vulnerability is CVE-2023-26991. There is no exploit available.

Detailsinfo

A vulnerability was found in SWFTools 0.9.2 (Programming Tool Software). It has been declared as critical. Affected by this vulnerability is the function swf_ReadSWF2 in the library lib/rfxswf.c. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

SWFTools v0.9.2 was discovered to contain a stack-use-after-scope in the swf_ReadSWF2 function in lib/rfxswf.c.

The weakness was shared 04/04/2023 as 196. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-26991 since 02/27/2023. 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-2023-30781). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.6

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / 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

02/27/2023 🔍
04/04/2023 +35 days 🔍
04/04/2023 +0 days 🔍
11/14/2025 +955 days 🔍

Sourcesinfo

Advisory: 196
Status: Confirmed

CVE: CVE-2023-26991 (🔍)
GCVE (CVE): GCVE-0-2023-26991
GCVE (VulDB): GCVE-100-224899
EUVD: 🔍

Entryinfo

Created: 04/04/2023 18:18
Updated: 11/14/2025 04:03
Changes: 04/04/2023 18:18 (40), 04/22/2023 08:58 (11), 11/14/2025 04:03 (16)
Complete: 🔍
Cache ID: 216::103

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