CVE-2019-25478

CVE-2019-25478 is a high-severity vulnerability 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-787.

Key facts

Description

GetGo Download Manager 6.2.2.3300 contains a buffer overflow vulnerability that allows remote attackers to cause denial of service by sending HTTP responses with excessively long headers. Attackers can craft malicious HTTP responses with oversized header values to crash the application and make it unavailable.

Frequently asked questions

What is CVE-2019-25478?
GetGo Download Manager 6.2.2.3300 contains a buffer overflow vulnerability that allows remote attackers to cause denial of service by sending HTTP responses with excessively long headers. Attackers can craft malicious HTTP responses with oversized header values to crash the application and make it unavailable.
How severe is CVE-2019-25478?
CVE-2019-25478 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-2019-25478 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2019-25478?
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.
Does CVE-2019-25478 have an EU (EUVD) identifier?
Yes. CVE-2019-25478 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-19758.
When was CVE-2019-25478 published?
CVE-2019-25478 was published on 2026-03-11 and last updated on 2026-06-17.

References

Other CWE-787 (Out-of-bounds Write) vulnerabilities

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