Vulnerability · Published Feb 3, 2023 · Assigned by mitre
CVE-2021-36489
Medium 6.5
In plain English
A medium-severity out-of-bounds write in the allegro4.4 package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.6%top 51.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Buffer Overflow vulnerability in Allegro through 5.2.6 allows attackers to cause a denial of service via crafted PCX/TGA/BMP files to allegro_image addon.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | allegro4.4 | no fix listed | DEBIAN-CVE-2021-36489 |
| Debian:13 | allegro4.4 | no fix listed | DEBIAN-CVE-2021-36489 |
| Debian:14 | allegro4.4 | 2:4.4.3.1-8 | DEBIAN-CVE-2021-36489 |
| Debian:12 | allegro5 | 2:5.2.8.0-1 | DEBIAN-CVE-2021-36489 |
| Debian:13 | allegro5 | 2:5.2.8.0-1 | DEBIAN-CVE-2021-36489 |
| Debian:14 | allegro5 | 2:5.2.8.0-1 | DEBIAN-CVE-2021-36489 |
| Ubuntu:22.04:LTS | allegro5 | no fix listed | UBUNTU-CVE-2021-36489 |
| Ubuntu:24.04:LTS | allegro5 | no fix listed | UBUNTU-CVE-2021-36489 |
| Ubuntu:25.10 | allegro5 | no fix listed | UBUNTU-CVE-2021-36489 |
| Ubuntu:26.04:LTS | allegro5 | no fix listed | UBUNTU-CVE-2021-36489 |
| Ubuntu:26.10 | allegro5 | no fix listed | UBUNTU-CVE-2021-36489 |
Affected products (as reported)
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H