What is CVE-2023-36243?

CVE-2023-36243 is a high-severity vulnerability in Flvmeta, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2023-06-22.

How severe is CVE-2023-36243?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2023-36243 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Flvmeta

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.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (23.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Flvmeta — versions 1.2.1
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

DiRaltvein/memory-corruption-examples

References

cve@mitre.org (Exploit, Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2023-36243?: CVE-2023-36243 is a high-severity vulnerability in Flvmeta, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2023-06-22.
How severe is CVE-2023-36243?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-36243 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.