Buffer overflow in Live555
CVE-2021-41396
Live555 through 1.08 does not handle socket connections properly. A huge number of incoming socket connections in a short time invokes the error-handling module, in which a heap-based buffer overflow happens. An attacker can leverage this to launch a DoS attack.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.014 (70.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.014 · change: +0.001
Affected products
Weakness classification (CWE)
References
- www.live555.com/liveMedia/public/changelog.txt (Release Notes, Vendor Advisory)
- lists.live555.com/pipermail/live-devel/2021-September/021994.html (Exploit, Mailing List, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-41396?
- CVE-2021-41396 is a high-severity vulnerability in Live555, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-07-12.
- How severe is CVE-2021-41396?
- High severity. CVSS v3 base score is 7.5 out of 10.