SB2026081339 - Multiple vulnerabilities in Dell NetWorker Runtime Environment
Published: August 13, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 10 vulnerabilities.
1) Improper input validation (CVE-ID: CVE-2026-22016)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
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.
2) Improper input validation (CVE-ID: CVE-2026-34282)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 8.7 [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]
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Networking component in Oracle GraalVM Enterprise Edition. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.
3) Improper input validation (CVE-ID: CVE-2026-22021)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
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.
4) Improper input validation (CVE-ID: CVE-2026-22013)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 5.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
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.
5) Integer overflow (CVE-ID: CVE-2026-23865)
CWE-ID: CWE-190 - Integer overflow
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N]
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.
6) Improper input validation (CVE-ID: CVE-2026-22018)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
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.
7) Improper input validation (CVE-ID: CVE-2026-22007)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 2.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
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.
8) Improper input validation (CVE-ID: CVE-2026-34268)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 2.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
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.
9) Buffer overflow (CVE-ID: CVE-2026-20652)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can trick the victim into visiting a specially crafted website and crash the browser.
10) Improper input validation (CVE-ID: CVE-2026-22003)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 4.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local authenticated user to damange or delete data.
The vulnerability exists due to improper input validation within the Hotspot component in Oracle GraalVM Enterprise Edition. A local authenticated user can exploit this vulnerability to damange or delete data.
Remediation
Install update from vendor's website.
References
- https://www.oracle.com/security-alerts/cpuapr2026.html
- https://gitlab.com/freetype/freetype/-/commit/fc85a255849229c024c8e65f536fe1875d84841c
- https://sourceforge.net/projects/freetype/files/freetype2/2.14.2/
- https://www.facebook.com/security/advisories/cve-2026-23865
- http://www.openwall.com/lists/oss-security/2026/03/03/8
- https://support.apple.com/en-us/126348
- https://webkitgtk.org/security/WSA-2026-0001.html