SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

HIGH 7.5EPSS 14.6%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 14.6%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

Description

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.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
14.56% probability · 96th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
apache/http server · debian/debian linux
Source
security@apache.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.