openSUSE Security Update: Security update for perl-Net-Netmask ______________________________________________________________________________ Announcement ID: openSUSE-SU-2023:0217-1 Rating: moderate References: #1184425 Cross-References: CVE-2021-29424 CVSS scores: CVE-2021-29424 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVE-2021-29424 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Affected Products: openSUSE Backports SLE-15-SP5 ______________________________________________________________________________ An update that fixes one vulnerability is now available. Description: This update for perl-Net-Netmask fixes the following issues: * CVE-2021-29424: Leading zeros are no longer allowed for IPv4 octets. This (in some situations) allows attackers to bypass access control that is based on IP addresses. (boo#1184425) Patch Instructions: To install this openSUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - openSUSE Backports SLE-15-SP5: zypper in -t patch openSUSE-2023-217=1 Package List: - openSUSE Backports SLE-15-SP5 (noarch): perl-Net-Netmask-1.9022-bp155.3.3.1 References: https://www.suse.com/security/cve/CVE-2021-29424.html https://bugzilla.suse.com/1184425