PT-2023-20891 · Swftools · Swftools

Yiliang-Neo · Published 2023-04-04 · Updated 2025-02-12 · CVE-2023-26991

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions SWFTools version 0.9.2

Description A stack-use-after-scope issue was discovered in the swf ReadSWF2 function in lib/rfxswf.c. This issue affects the SWFTools software.

Recommendations For SWFTools version 0.9.2, at the moment, there is no information about a newer version that contains a fix for this vulnerability. As a temporary workaround, consider restricting access to the swf ReadSWF2 function in lib/rfxswf.c to minimize the risk of exploitation.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2023-26991

Affected Products

Swftools

References · 7

• 🔥 https://github.com/matthiaskramm/swftools/issues/196 · Exploit
• https://ubuntu.com/security/CVE-2023-26991 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-26991 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-26991 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-26991 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-26991 · Vendor Advisory
• https://t.me/cvenotify/111068 · Telegram Post