CVE-2021-3405

EPSS 1.7%CWE-787

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 1.7%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

23 Feb 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A flaw was found in libebml before 1.4.2. A heap overflow bug exists in the implementation of EbmlString::ReadData and EbmlUnicodeString::ReadData in libebml.

Affected products

n/a · libebml

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

https://github.com/Matroska-Org/libebml/issues/74 https://lists.debian.org/debian-lts-announce/2021/04/msg00016.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JNHQI6MDOECJ2HT5GCLEX2DMJFEOWPW7/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHIIMWZKHHELFF4NRDMOOCS3HKK3K4DF/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YY7R2JZRO5I6WS62KTJFTZGKYELVFTVB/https://security.gentoo.org/glsa/202208-21