CVE-2020-21049
Publication date 14 September 2021
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
An invalid read in the stb_image.h component of libsixel prior to v1.8.5 allows attackers to cause a denial of service (DOS) via a crafted PSD file.
Status
Package | Ubuntu Release | Status |
---|---|---|
libsixel | 24.10 oracular |
Not affected
|
24.04 LTS noble |
Not affected
|
|
22.04 LTS jammy |
Not affected
|
|
20.04 LTS focal |
Needs evaluation
|
|
18.04 LTS bionic |
Needs evaluation
|
|
16.04 LTS xenial |
Needs evaluation
|
|
14.04 LTS trusty | Not in release |
Severity score breakdown
Parameter | Value |
---|---|
Base score |
|
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
References
Other references
- https://github.com/saitoha/libsixel/issues/74
- https://github.com/saitoha/libsixel/commit/0b1e0b3f7b44233f84e5c9f512f8c90d6bbbe33d
- https://github.com/saitoha/libsixel/releases/tag/v1.8.5
- https://github.com/saitoha/libsixel/blob/master/ChangeLog
- https://bitbucket.org/netbsd/pkgsrc/commits/970a81d31ec7498e04d09b6b7771cef35f63cd28
- https://www.cve.org/CVERecord?id=CVE-2020-21049