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CVE-2020-21677

🗓️ 10 Aug 2021 20:19:47Reported by mitreType 
cve
 cve
🔗 web.nvd.nist.gov👁 87 Views

A heap-based buffer overflow in Libsixel 1.8.4 allows attackers to cause a denial of service by converting a crafted PNG file into Sixel format

Related
Detection
Refs
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
SIXEL Libsixel Encoder Buffer Overflow DoS
11 Apr 202200:00
–bdu_fstec
circl
Circl
CVE-2020-21677
11 Aug 202100:37
–circl
cnnvd
CNNVD
Libsixel buffer error vulnerability
10 Aug 202100:00
–cnnvd
cvelist
Cvelist
CVE-2020-21677
10 Aug 202120:19
–cvelist
debiancve
Debian CVE
CVE-2020-21677
10 Aug 202120:19
–debiancve
euvd
EUVD
EUVD-2020-14445
7 Oct 202500:30
–euvd
mend
Mend
CVE-2020-21677
10 Aug 202120:19
–mend
nvd
NVD
CVE-2020-21677
10 Aug 202121:15
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2020-21677
10 Aug 202121:15
–osv_debian
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2020-21677
10 Aug 202121:15
–osv_ubuntu
Rows per page
NVD
Node
saitohalibsixelMatch1.8.4

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17 Jun 2026 03:03Current
6.5Medium risk
Vulners AI Score6.5
CVSS 24.3
CVSS 3.16.5
EPSS0.00904
87