SB2025081217 - Ubuntu update for poppler

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Main Vulnerability Database SB2025081217

SB2025081217 - Ubuntu update for poppler

Published: August 12, 2025

Security Bulletin ID SB2025081217
CSH 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 vulnerabilities.


1) Input validation error (CVE-ID: CVE-2022-27337)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to insufficient validation of user-supplied input within the Hints::Hints() function when processing PDF files. A remote attacker can pass specially crafted PDF file to the application and perform a denial of service (DoS) attack.


2) Use-after-free (CVE-ID: CVE-2025-52886)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when reading PDF files. A remote attacker can overflow the 32bit std::atomic_int counter, trigger memory corruption and potentially compromise the affected system.


Remediation

Install update from vendor's website.

References