CVEvulnerability
CVE-2021-40648
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-09-09
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-20
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.
Affected configurations
• man2html project man2html 1.6g
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- https://gist.github.com/untaman/cb58123fe89fc65e3984165db5d40933 Exploit, Third Party Advisory
- https://gist.github.com/untaman/cb58123fe89fc65e3984165db5d40933 Exploit, Third Party Advisory