CVE-2021-40648
Last modified
CVE-2021-40648 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Man2html Project | Man2html | 1.6g |
References
- https://gist.github.com/untaman/cb58123fe89fc65e3984165db5d40933Exploit, Third Party Advisory
- https://gist.github.com/untaman/cb58123fe89fc65e3984165db5d40933Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
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