Is CVE-2019-7309 in the CISA KEV catalog?

No. CVE-2019-7309 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-7309?

CVE-2019-7309 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2019-7309?

CVE-2019-7309 has an EPSS score of 0.61% (45th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-7309?

Upgrade glibc on debian 11 to 2.28-6 or later.

CVE & CISA-KEV Catalog

CVE-2019-7309

MEDIUM

5.5

CVSS v3

NVD

Description

In the GNU C Library (aka glibc or libc6) through 2.29, the memcmp function for the x32 architecture can incorrectly return zero (indicating that the inputs are equal) because the RDX most significant bit is mishandled.

How to fix

Remediation Available

glibcDebian

Fixed in:2.28-6CVE-2019-7309

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 VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.61%probability of exploitation in 30 days

45thpercentile

Moderate risk: more likely to be exploited than 45% of all known CVEs.

References

Exploit1

sourceware.org

Third-Party Advisory2

Other references1

security.gentoo.org

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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 2024-11-21.