CVE-2018-1000808

N/A
Published: October 8, 2018 at 03:00 PM UTC
Updated: June 17, 2026 at 01:33 AM UTC
7 products affected across 3 vendorsUbuntu LinuxEnterprise Linux DesktopEnterprise Linux Server

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Severity
N/A
Exploit prediction
EPSS 2%

Description

Python Cryptographic Authority pyopenssl version Before 17.5.0 contains a CWE - 401 : Failure to Release Memory Before Removing Last Reference vulnerability in PKCS #12 Store that can result in Denial of service if memory runs low or is exhausted. This attack appear to be exploitable via Depends upon calling application, however it could be as simple as initiating a TLS connection. Anything that would cause the calling application to reload certificates from a PKCS #12 store.. This vulnerability appears to have been fixed in 17.5.0.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 17.5.0
Affected range stops below 17.5.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (4)

Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:0085
x_refsource_CONFIRMPatchThird Party Advisory
https://github.com/pyca/pyopenssl/pull/723
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
https://usn.ubuntu.com/3813-1/

CVSS

Confidentiality
NONE
Integrity
NONE
Availability
PARTIAL
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-404

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