Vulnerability · Published Apr 14, 2021 · Assigned by mitre
CVE-2020-36120
High 7.5
In plain English
A high-severity security flaw in the libsixel package (Ubuntu). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.2%top 30.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Buffer Overflow in the "sixel_encoder_encode_bytes" function of Libsixel v1.8.6 allows attackers to cause a Denial of Service (DoS).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | libsixel | no fix listed | UBUNTU-CVE-2020-36120 |
| Ubuntu:24.04:LTS | libsixel | no fix listed | UBUNTU-CVE-2020-36120 |
| Ubuntu:25.10 | libsixel | no fix listed | UBUNTU-CVE-2020-36120 |
| Ubuntu:26.04:LTS | libsixel | no fix listed | UBUNTU-CVE-2020-36120 |
| Ubuntu:26.10 | libsixel | no fix listed | UBUNTU-CVE-2020-36120 |
Affected products (as reported)
References
- https://github.com/saitoha/libsixel/issues/143 x_refsource_MISC