Vulnerability Details : CVE-2020-11721
Potential exploit
load_png in loader.c in libsixel.a in libsixel 1.8.6 has an uninitialized pointer leading to an invalid call to free, which can cause a denial of service.
Vulnerability category: Denial of service
Products affected by CVE-2020-11721
- cpe:2.3:a:libsixel_project:libsixel:1.8.6:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-11721
0.31%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 51 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-11721
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-11721
-
The product accesses or uses a pointer that has not been initialized.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-11721
-
https://github.com/saitoha/libsixel/issues/134
Invalid free wild pointer lead to DOS in load_png in loader.c · Issue #134 · saitoha/libsixel · GitHubExploit;Third Party Advisory
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