CVE-2020-21050

Published on: 09/14/2021 12:00:00 AM UTC

Last Modified on: 09/20/2022 08:56:00 PM UTC

CVE-2020-21050

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

Certain versions of Libsixel from Libsixel Project contain the following vulnerability:

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

CVE-2020-21050 has been assigned by [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 6.5 - MEDIUM

Attack Vector ^ⓘ	Attack Complexity	Privileges Required	User Interaction
NETWORK	LOW	NONE	REQUIRED
Scope	Confidentiality Impact	Integrity Impact	Availability Impact
UNCHANGED	NONE	NONE	HIGH

CVSS2 Score: 4.3 - MEDIUM

Access Vector^ⓘ	Access Complexity	Authentication
NETWORK	MEDIUM	NONE
Confidentiality Impact	Integrity Impact	Availability Impact
NONE	NONE	PARTIAL

CVE References

Description	Tags ^ⓘ	Link
404 — Bitbucket	bitbucket.org text/html Inactive LinkNot Archived	MISC bitbucket.org/netbsd/pkgsrc/commits/a27113e21179cbfbfae0c35f6a9edd6aa498faae
CWE - CWE-121: Stack-based Buffer Overflow (4.3)	cwe.mitre.org text/html	MISC cwe.mitre.org/data/definitions/121.html
Release v1.8.5 security update · saitoha/libsixel · GitHub	github.com text/html	MISC github.com/saitoha/libsixel/releases/tag/v1.8.5
AddressSanitizer: stack-buffer-overflow at fromgif.c:310 · Issue #75 · saitoha/libsixel · GitHub	github.com text/html	MISC github.com/saitoha/libsixel/issues/75
gif loader: check LZW code size (Issue #75) · saitoha/[email protected] · GitHub	github.com text/html	MISC github.com/saitoha/libsixel/commit/7808a06b88c11dbc502318cdd51fa374f8cd47ee
libsixel/ChangeLog at master · saitoha/libsixel · GitHub	github.com text/html	MISC github.com/saitoha/libsixel/blob/master/ChangeLog

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Related QID Numbers

180634 Debian Security Update for libsixel (CVE-2020-21050)

Known Affected Configurations (CPE V2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Application	Libsixel Project	Libsixel	All	All	All	All

cpe:2.3:a:libsixel_project:libsixel:*:*:*:*:*:*:*:*:

No vendor comments have been submitted for this CVE

Social Mentions

Source	Title	Posted (UTC)
@CVEreport	CVE-2020-21050 : Libsixel prior to v1.8.3 contains a stack buffer overflow in the function gif_process_raster at fr… twitter.com/i/web/status/1…	2021-09-14 16:04:06
@EWS_Bot	Potentially Critical CVE Detected! CVE-2020-21050 Description: CVE-2020-21050 Libsixel prior to v1.8.3 contains a s… twitter.com/i/web/status/1…	2021-09-14 17:00:03
@4ng3n01r3	#CyberSecurity #Security #CERT #CVE #Nist #breach #vulnerability : CVE-2020-21050	2021-09-15 06:55:43