SB2026021955 - Multiple vulnerabilities in zlib

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Main Vulnerability Database SB2026021955

SB2026021955 - Multiple vulnerabilities in zlib

Published: February 19, 2026 Updated: March 11, 2026

Security Bulletin ID SB2026021955
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Out-of-bounds write (CVE-ID: CVE-2026-22184)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input within the TGZfname() function. A remote attacker can trick the victim into opening a specially crafted file, trigger an out-of-bounds write and execute arbitrary code on the target system.


2) Resource exhaustion (CVE-ID: CVE-2026-27171)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References