How severe is CVE-2019-17177?

CVE-2019-17177 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-17177 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-17177?

CVE-2019-17177 primarily affects Freerdp. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-17177?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-17177 published?

CVE-2019-17177 was published on 2019-10-04 and last updated on 2026-06-17.

CVE-2019-17177

CVE-2019-17177 is a high-severity vulnerability in Freerdp with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-401.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-401
Affected product: Freerdp
Published: 2019-10-04
Last modified: 2026-06-17

Description

libfreerdp/codec/region.c in FreeRDP through 1.1.x and 2.x through 2.0.0-rc4 has memory leaks because a supplied realloc pointer (i.e., the first argument to realloc) is also used for a realloc return value.

Frequently asked questions

What is CVE-2019-17177?: libfreerdp/codec/region.c in FreeRDP through 1.1.x and 2.x through 2.0.0-rc4 has memory leaks because a supplied realloc pointer (i.e., the first argument to realloc) is also used for a realloc return value.
How severe is CVE-2019-17177?: CVE-2019-17177 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-17177 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-17177?: CVE-2019-17177 primarily affects Freerdp. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-17177?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-17177 published?: CVE-2019-17177 was published on 2019-10-04 and last updated on 2026-06-17.

References

Affected products (11)

cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*
cpe:2.3:a:freerdp:freerdp:1.1.0:beta:*:*:*:*:*:*
cpe:2.3:a:freerdp:freerdp:1.1.0:beta1:*:*:*:*:*:*
cpe:2.3:a:freerdp:freerdp:2.0.0:beta1:*:*:*:*:*:*
cpe:2.3:a:freerdp:freerdp:2.0.0:rc0:*:*:*:*:*:*
cpe:2.3:a:freerdp:freerdp:2.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:freerdp:freerdp:2.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:freerdp:freerdp:2.0.0:rc3:*:*:*:*:*:*
cpe:2.3:a:freerdp:freerdp:2.0.0:rc4:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

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