peter bassill · operator
$ cve CVE-2017-9788 JSON

CVE-2017-9788

9.1
CRITICAL · CVSS 3.0 · EPSS 56.8% (pctl 99)

Patch early

EPSS 56.8% — above the 10% action threshold.

Description

In Apache httpd before 2.2.34 and 2.4.x before 2.4.27, the value placeholder in [Proxy-]Authorization headers of type 'Digest' was not initialized or reset before or between successive key=value assignments by mod_auth_digest. Providing an initial key with no '=' assignment could reflect the stale value of uninitialized pool memory used by the prior request, leading to leakage of potentially confidential information, and a segfault in other cases resulting in denial of service.

Scoring

CVSS9.1 (CRITICAL, v3.0)
VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS56.77% — more likely to be exploited than 99% of all CVEs
WeaknessCWE-20
On CISA KEVno
Public exploitnone known
Published2017-07-13
Last modified2026-06-17

Affected (16)

VendorProduct
apachehttp server
applemac os x
debiandebian linux
netapponcommand unified manager
netappstorage automation store
oraclesecure global desktop
redhatenterprise linux
redhatenterprise linux desktop
redhatenterprise linux server
redhatenterprise linux server aus
redhatenterprise linux server eus
redhatenterprise linux server tus
redhatenterprise linux workstation
redhatjboss core services
redhatjboss enterprise application platform
redhatjboss enterprise web server

References

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