SUSE update for libpng16

1) Out-of-bounds read

EUVDB-ID: #VU119115

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-66293

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition within the png_image_read_composite() function. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Update the affected package libpng16 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server 12 SP5 LTSS Extended: Security

SUSE Linux Enterprise Server 12 SP5: LTSS

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

libpng16-16-32bit: before 1.6.8-15.12.1

libpng16-16-debuginfo-32bit: before 1.6.8-15.12.1

libpng16-compat-devel: before 1.6.8-15.12.1

libpng16-devel: before 1.6.8-15.12.1

libpng16-debugsource: before 1.6.8-15.12.1

libpng16-16: before 1.6.8-15.12.1

libpng16-16-debuginfo: before 1.6.8-15.12.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server_12_sp5_ltss_extended:Security:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_12_sp5:LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:a:suse:libpng16-16-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libpng16-16-debuginfo-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libpng16-compat-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libpng16-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libpng16-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libpng16-16:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libpng16-16-debuginfo:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2026/suse-su-20260085-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.