High severity · published Apr 14, 2021
CVE-2020-36120
Buffer Overflow in the "sixel_encoder_encode_bytes" function of Libsixel v1.8.6 allows attackers to cause a Denial of Service (DoS)
7.5
CVSS
1.2%
EPSS
No
On KEV
Description
Buffer Overflow in the "sixel_encoder_encode_bytes" function of Libsixel v1.8.6 allows attackers to cause a Denial of Service (DoS).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libsixel · Saitoha
1.8.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-36120
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-36120
Exploit
https://github.com/saitoha/libsixel/issues/143
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