What is CVE-2020-36120?

CVE-2020-36120 is a high-severity vulnerability in Saitoha Libsixel, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2021-04-14.

How severe is CVE-2020-36120?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2020-36120 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Saitoha Libsixel

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).

Vulnerability class: Buffer Overflow

EPSS: 0.012 (65.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Saitoha Libsixel — versions 1.8.6
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

MiniMangosteen/MiniMangosteen

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-36120?: CVE-2020-36120 is a high-severity vulnerability in Saitoha Libsixel, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2021-04-14.
How severe is CVE-2020-36120?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-36120 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.