Buffer overflow in Apache HTTP Server

CVE-2019-10081

HTTP/2 (2.4.20 through 2.4.39) very early pushes, for example configured with "H2PushResource", could lead to an overwrite of memory in the pushing request's pool, leading to crashes. The memory copied is that of the configured push link header values, not data supplied by the client.

Vulnerability class: Buffer Overflow

EPSS: 0.146 (96.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-10081?
CVE-2019-10081 is a high-severity vulnerability in Apache HTTP Server, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2019-08-15.
How severe is CVE-2019-10081?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2019-10081 known to be exploited?
8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.