CVE-2023-36243
FLVMeta v1.2.1 was discovered to contain a buffer overflow via the xml_on_metadata_tag_only...
FLVMeta v1.2.1 was discovered to contain a buffer overflow via the xml_on_metadata_tag_only function at dump_xml.c.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
FLVMeta v1.2.1 was discovered to contain a buffer overflow via the xml_on_metadata_tag_only function at dump_xml.c.
- Record
CVE-2023-36243- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
CVE List No score
FLVMeta v1.2.1 was discovered to contain a buffer overflow via the xml_on_metadata_tag_only function at dump_xml.c.
- Record
CVE-2023-36243- Updated
- 2026-11-02
EUVDEUVD-2023-40217 No score
FLVMeta v1.2.1 was discovered to contain a buffer overflow via the xml_on_metadata_tag_only function at dump_xml.c.
- Record
EUVD-2023-40217- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4gv5-7vgw-rh3h
FLVMeta v1.2.1 was discovered to contain a buffer overflow via the xml_on_metadata_tag_only...
FLVMeta v1.2.1 was discovered to contain a buffer overflow via the xml_on_metadata_tag_only function at dump_xml.c.
- Record
GHSA-4gv5-7vgw-rh3h- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2023-36243
FLVMeta v1.2.1 was discovered to contain a buffer overflow via the xml_on_metadata_tag_only function at dump_xml.c.
- Record
DEBIAN-CVE-2023-36243- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2023-36243
FLVMeta v1.2.1 was discovered to contain a buffer overflow via the xml_on_metadata_tag_only function at dump_xml.c.
- Record
UBUNTU-CVE-2023-36243- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSV No score
FLVMeta v1.2.1 was discovered to contain a buffer overflow via the xml_on_metadata_tag_only function at dump_xml.c.
- Record
CVE-2023-36243- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
flvmetaDebian:12 |
All versions, plus listed versions 1.2.1-11.2.2-11.2.2-21.2.2-2~exp1 |
None known |
flvmetaDebian:13 |
before 1.2.2-1 | 1.2.2-1 |
flvmetaDebian:14 |
before 1.2.2-1 | 1.2.2-1 |
flvmetaUbuntu:16.04:LTS |
All versions, plus listed versions 1.1.2-1 |
None known |
flvmetaUbuntu:18.04:LTS |
All versions, plus listed versions 1.2.1-1 |
None known |
flvmetaUbuntu:20.04:LTS |
All versions, plus listed versions 1.2.1-1 |
None known |
flvmetaUbuntu:22.04:LTS |
All versions, plus listed versions 1.2.1-1 |
None known |
flvmetaUbuntu:24.04:LTS |
All versions, plus listed versions 1.2.1-11.2.1-1build1 |
None known |
flvmetaUbuntu:25.10 |
All versions, plus listed versions 1.2.2-1 |
None known |
flvmetaUbuntu:26.10 |
All versions, plus listed versions 1.2.2-2 |
None known |
flvmetaUbuntu:26.04:LTS |
All versions, plus listed versions 1.2.2-11.2.2-1build11.2.2-2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-36243 is a high vulnerability (CVSS 7.8) in Flvmeta, published June 22, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 24th percentile. Fixed in flvmeta 1.2.2-1.
References
github.com/noirotm/flvmeta/issues/19
nvd.nist.gov/vuln/detail/CVE-2023-36243
security-tracker.debian.org/tracker/CVE-2023-36243
ubuntu.com/security/CVE-2023-36243
cve.org/CVERecord?id=CVE-2023-36243