Live555 before 2019.08.16 has a Use-After-Free because GenericMediaServer::createNewClientSessionWithId can generate the same client session ID in succession, which is mishandled by the MPEG1or2 and Matroska file demultiplexors.
Conclusion & alert: CVE-2019-15232 is rated High Risk (66.2/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.72%). Core evidence: EPSS rose +1.00% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.71% | 1.72% | +1.00% |
| 2 | 2025-12-31 | 0.52% | 0.71% | +0.19% |
| 3 | 2025-11-21 | — | 0.52% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2019-15232: 1 GLSA(s) (202005-06), 1 atom(s) (media-plugins/live); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2019-15232 |
ubuntu
|
medium | CVE-2019-15232 medium priority: Ubuntu including 1 source packages (liblivemedia), 18 status rows across 18 suites (bionic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 11, needed 4, ignored 3. | https://ubuntu.com/security/CVE-2019-15232 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| live555 | streaming_media | < 2019-08-16 | cpe:2.3:a:live555:streaming_media:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.live555.com/liveMedia/public/changelog.txt | Release Notes Vendor Advisory |
| https://security.gentoo.org/glsa/202005-06 | Third Party Advisory |