SB2026080114 - python-cryptography update for OpenSSL

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Main Vulnerability Database SB2026080114

SB2026080114 - python-cryptography update for OpenSSL

Published: August 1, 2026

Security Bulletin ID SB2026080114
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2026-34180)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to integer truncation in the ASN.1 decoder when parsing a crafted DER-encoded ASN.1 structure with a primitive element whose content exceeds 2 gigabytes in length. A remote attacker can supply crafted ASN.1 input to disclose sensitive information.

The issue affects only 64-bit Unix and Unix-like platforms; 32-bit platforms and 64-bit Windows are not affected.


Remediation

Install update from vendor's website.

References