Is CVE-2015-8790 in the CISA KEV catalog?

No. CVE-2015-8790 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-8790?

CVE-2015-8790 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2015-8790?

CVE-2015-8790 has an EPSS score of 1.85% (77th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-8790?

Upgrade libebml on debian 11 to 1.3.3-1 or later.

CVE & CISA-KEV Catalog

CVE-2015-8790

MEDIUMEPSS 77th pctl

4.3

CVSS v3

NVD

Description

The EbmlUnicodeString::UpdateFromUTF8 function in libEBML before 1.3.3 allows context-dependent attackers to obtain sensitive information from process heap memory via a crafted UTF-8 string, which triggers an invalid memory access.

CWE-200Information Exposure

How to fix

Remediation Available

libebmlDebian

Fixed in:1.3.3-1CVE-2015-8790

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Exploit Intelligence

1.85%probability of exploitation in 30 days

77thpercentile

Elevated risk: more likely to be exploited than 77% of all known CVEs.

References

Vendor Advisory2

Other references6

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24919	High	8.6	100%	KEV + Ransom	-
CVE-2020-14181	Medium	5.3	100%	-	Fix
CVE-2021-34429	Medium	5.3	99%	-	Fix
CVE-2018-11409	Medium	5.3	98%	-	-
CVE-2021-41277	Critical	10.0	97%	KEV	-
CVE-2016-2183	High	7.5	96%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.