Vulnerability · Published Jun 22, 2023 · Assigned by mitre
CVE-2023-36243
High 7.8
In plain English
A high-severity security flaw in the flvmeta package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.3%top 75.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
FLVMeta v1.2.1 was discovered to contain a buffer overflow via the xml_on_metadata_tag_only function at dump_xml.c.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | flvmeta | no fix listed | DEBIAN-CVE-2023-36243 |
| Debian:13 | flvmeta | 1.2.2-1 | DEBIAN-CVE-2023-36243 |
| Debian:14 | flvmeta | 1.2.2-1 | DEBIAN-CVE-2023-36243 |
| Ubuntu:22.04:LTS | flvmeta | no fix listed | UBUNTU-CVE-2023-36243 |
| Ubuntu:24.04:LTS | flvmeta | no fix listed | UBUNTU-CVE-2023-36243 |
| Ubuntu:25.10 | flvmeta | no fix listed | UBUNTU-CVE-2023-36243 |
| Ubuntu:26.04:LTS | flvmeta | no fix listed | UBUNTU-CVE-2023-36243 |
| Ubuntu:26.10 | flvmeta | no fix listed | UBUNTU-CVE-2023-36243 |