VulnerabilityModified
CVE-2021-39554
It allows an attacker to cause Denial of Service.
MEDIUM 5.5EPSS 0.64%
Does this matter?
Lower severity and a low EPSS score (0.64%). Track it; it rarely justifies an emergency change on its own.
Description
An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function Lexer::Lexer() located in Lexer.cc. It allows an attacker to cause Denial of Service.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.64% probability · 48th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- swftools/swftools
- Source
- cve@mitre.org
References
- https://github.com/matthiaskramm/swftools/issues/100Exploit, Issue Tracking, Third Party Advisory
- https://github.com/matthiaskramm/swftools/issues/100Exploit, Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.