CVE-2020-21048
- Source
- https://cve.org/CVERecord?id=CVE-2020-21048
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-21048.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2020-21048
- Downstream
- Published
- 2021-09-14T16:15:08.403Z
- Modified
- 2026-06-18T04:05:24.312181749Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
An issue in the dither.c component of libsixel prior to v1.8.4 allows attackers to cause a denial of service (DOS) via a crafted PNG file.
- References
-
- https://github.com/saitoha/libsixel/blob/master/ChangeLog
- https://github.com/saitoha/libsixel/releases/tag/v1.8.4
- https://bitbucket.org/netbsd/pkgsrc/commits/6f0c011cbfccdffa635d04c84433b1a02687adad
- https://github.com/saitoha/libsixel/commit/cb373ab6614c910407c5e5a93ab935144e62b037
- https://github.com/saitoha/libsixel/issues/73
Affected packages
Git / github.com/saitoha/libsixel
Affected ranges
- Type
- GIT
- Repo
- https://github.com/saitoha/libsixel
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixedFixed
- Database specific
{ "extracted_events": [ { "introduced": "0" }, { "fixed": "1.8.4" } ], "cpe": "cpe:2.3:a:saitoha:libsixel:*:*:*:*:*:*:*:*", "source": [ "CPE_RANGE", "REFERENCES" ] }
Affected versions
v0.*
v0.14.0
v0.15.0
v0.16.0
v0.16.1
v0.17.0
v0.17.1
v0.17.2
v0.18.0
v0.19.2
v0.19.3
v0.19.4
v0.19.5
v0.19.6
v0.20.0
v0.21.0
v0.21.1
v0.22.0
v0.22.1
v0.22.2
v0.22.3
v0.23.0
v0.23.1
v0.23.2
v0.24.0
v0.24.2
v0.25.0
v0.25.1
v0.25.2
v0.25.3
v0.25.4
v0.25.5
v0.26.0
v0.27.0
v0.27.1
v0.28.0
v1.*
v1.0.0
v1.0.1
v1.0.2
v1.1.0
v1.1.1
v1.1.2
v1.3.1
v1.3.2
v1.3.3
v1.3.4
v1.3.5
v1.3.6
v1.4.0
v1.4.1
v1.4.10
v1.4.11
v1.4.12
v1.4.13
v1.4.2
v1.4.3
v1.4.4
v1.4.5
v1.4.6
v1.4.7
v1.4.8
v1.4.9
v1.5.0
v1.5.1
v1.5.2
v1.6.1
v1.7.1
v1.7.2
v1.7.3
v1.8.0
v1.8.1
v1.8.2
v1.8.3