CVE-2018-25103

CVE-2018-25103 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

There exists use-after-free vulnerabilities in lighttpd <= 1.4.50 request parsing which might read from invalid pointers to memory used in the same request, not from other requests.

Frequently asked questions

What is CVE-2018-25103?
There exists use-after-free vulnerabilities in lighttpd <= 1.4.50 request parsing which might read from invalid pointers to memory used in the same request, not from other requests.
How severe is CVE-2018-25103?
CVE-2018-25103 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2018-25103 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2018-25103?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2018-25103 have an EU (EUVD) identifier?
Yes. CVE-2018-25103 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21592.
When was CVE-2018-25103 published?
CVE-2018-25103 was published on 2024-06-17 and last updated on 2026-06-17.

References