# CVE-2023-36243: flvmeta: FLVMeta v1.2.1 was discovered to contain a buffer overflow via the xml_on_metadata_tag_only function at dump_xml.c.

CVE-2023-36243 is fixed in flvmeta on 1 platform, first by DEBIAN-CVE-2023-36243, released June 22, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-36243
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0031
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 22, 2023

## Description

FLVMeta v1.2.1 was discovered to contain a buffer overflow via the xml_on_metadata_tag_only function at dump_xml.c.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | flvmeta Debian 13.5 (trixie) | 1.2.2-1 | [DEBIAN-CVE-2023-36243](https://patchblox.com/security/data/fix/linux/debian-cve-2023-36243.md) | Jun 22, 2023 |
| Linux | flvmeta Debian 14 | 1.2.2-1 | [DEBIAN-CVE-2023-36243](https://patchblox.com/security/data/fix/linux/debian-cve-2023-36243.md) | Jun 22, 2023 |

---

Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.