CVE-2021-40648
Severity Score
5.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
En man2html versión 1.6g, puede crearse un nombre de archivo para sobrescribir el parámetro de tamaño anterior del siguiente chunk y el fd, bk, fd_nextsize, bk_nextsize del chunk actual. El siguiente chunk es liberado posteriormente, causando una liberación de una cantidad arbitraria de memoria
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-09-07 CVE Reserved
- 2022-09-09 CVE Published
- 2024-08-04 CVE Updated
- 2024-08-04 First Exploit
- 2025-07-06 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-20: Improper Input Validation
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|---|---|
| https://gist.github.com/untaman/cb58123fe89fc65e3984165db5d40933 | 2024-08-04 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Man2html Project Search vendor "Man2html Project" | Man2html Search vendor "Man2html Project" for product "Man2html" | 1.6g Search vendor "Man2html Project" for product "Man2html" and version "1.6g" | - |
Affected
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