Base Score

MEDIUM6.5

CVE-2020-21050

Libsixel prior to v1.8.3 contains a stack buffer overflow in the function gif_process_raster at fromgif.c.

VectorNETWORK

Published Bycve@mitre.org

Published DateSep 14, 2021, 16:15

Weakness Type (CWE):CWE-787

CVSS Metrics

Base Score

6.5

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

REQUIRED

Scope (S)

UNCHANGED

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

HIGH

References

https://bitbucket.org/netbsd/pkgsrc/commits/a27113e21179cbfbfae0c35f6a9edd6aa498faae
https://cwe.mitre.org/data/definitions/121.html
https://github.com/saitoha/libsixel/blob/master/ChangeLog
https://github.com/saitoha/libsixel/commit/7808a06b88c11dbc502318cdd51fa374f8cd47ee
https://github.com/saitoha/libsixel/issues/75
https://github.com/saitoha/libsixel/releases/tag/v1.8.5

Base Score

MEDIUM6.5

Weakness Type (CWE):CWE-787

CVSS Metrics

Base Score

6.5

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

REQUIRED

Scope (S)

UNCHANGED

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

HIGH