SB20260422238 - Red Hat Enterprise Linux 7 Extended Lifecycle Support update for java-1.8.0-openjdk



SB20260422238 - Red Hat Enterprise Linux 7 Extended Lifecycle Support update for java-1.8.0-openjdk

Published: April 22, 2026

Security Bulletin ID SB20260422238
Severity
Medium
Patch available
YES
Number of vulnerabilities 7
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 57% Low 43%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 7 secuirty vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2026-22007)

The vulnerability allows a local non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the Security component in Oracle GraalVM Enterprise Edition. A local non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


2) Improper input validation (CVE-ID: CVE-2026-22013)

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the JGSS component in Oracle GraalVM Enterprise Edition. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


3) Improper input validation (CVE-ID: CVE-2026-22016)

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the JAXP component in Oracle GraalVM Enterprise Edition. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


4) Improper input validation (CVE-ID: CVE-2026-22018)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The vulnerability exists due to improper input validation within the Libraries component in Oracle GraalVM Enterprise Edition. A remote non-authenticated attacker can exploit this vulnerability to perform service disruption.


5) Improper input validation (CVE-ID: CVE-2026-22021)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The vulnerability exists due to improper input validation within the JSSE component in Oracle GraalVM Enterprise Edition. A remote non-authenticated attacker can exploit this vulnerability to perform service disruption.


6) Integer overflow (CVE-ID: CVE-2026-23865)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to integer overflow within the tt_var_load_item_variation_store() function when parsing HVAR/VVAR/MVAR tables in OpenType variable fonts. A remote attacker can trick the victim into opening a specially crafted file, trigger an integer overflow and read memory contents on the system.


7) Improper input validation (CVE-ID: CVE-2026-34268)

The vulnerability allows a local non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the Security component in Oracle GraalVM Enterprise Edition. A local non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


Remediation

Install update from vendor's website.