VulnerabilityModified
CVE-2021-40648
The next chunk is then freed later on, causing a freeing of an arbitrary amount of memory.
MEDIUM 5.5EPSS 0.33%
Does this matter?
Lower severity and a low EPSS score (0.33%). Track it; it rarely justifies an emergency change on its own.
Description
In man2html 1.6g, a filename can be created to overwrite the previous size parameter of the next chunk and the fd, bk, fd_nextsize, bk_nextsize of the current chunk. The next chunk is then freed later on, causing a freeing of an arbitrary amount of memory.
- 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
- 0.33% probability · 26th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- man2html project/man2html
- Source
- cve@mitre.org
References
- https://gist.github.com/untaman/cb58123fe89fc65e3984165db5d40933Exploit, Third Party Advisory
- https://gist.github.com/untaman/cb58123fe89fc65e3984165db5d40933Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.