ESB-2026.4590

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.4590 Security update for python-Pygments 5 May 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: python-Pygments Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2026-4539 Original Bulletin: https://www.suse.com/support/update/announcement/2026/suse-su-20261667-1 Comment: CVSS (Max): 3.3 CVE-2026-4539 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L) CVSS Source: SUSE Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L EPSS (Max): 0.0% (0th) CVE-2026-4539 2026-04-30 - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for python-Pygments Announcement ID: SUSE-SU-2026:1667-1 Release Date: 2026-04-30T17:22:44Z Rating: low References: o bsc#1260796 Cross-References: o CVE-2026-4539 o CVE-2026-4539 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:N/I:N/A:L o CVE-2026-4539 ( NVD ): 1.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/ UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/ CVSS scores: MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/ MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X o CVE-2026-4539 ( NVD ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:N/I:N/A:L o Basesystem Module 15-SP7 o openSUSE Leap 15.3 Affected o SUSE Linux Enterprise Desktop 15 SP7 Products: o SUSE Linux Enterprise Real Time 15 SP7 o SUSE Linux Enterprise Server 15 SP7 o SUSE Linux Enterprise Server for SAP Applications 15 SP7 An update that solves one vulnerability can now be installed. Description: This update for python-Pygments fixes the following issues: o CVE-2026-4539: inefficient regex for GUID and ID pattern matching can lead to archetype lexer ReDoS (bsc#1260796). Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: o openSUSE Leap 15.3 zypper in -t patch SUSE-2026-1667=1 o Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-1667=1 Package List: o openSUSE Leap 15.3 (noarch) python3-Pygments-2.6.1-150300.4.6.1 o Basesystem Module 15-SP7 (noarch) python3-Pygments-2.6.1-150300.4.6.1 References: o https://www.suse.com/security/cve/CVE-2026-4539.html o https://bugzilla.suse.com/show_bug.cgi?id=1260796 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AUSCERT's members. As AUSCERT did not write the document quoted above, AUSCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AUSCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://portal.auscert.org.au/bulletins/ =========================================================================== AUSCERT The University of Queensland, Brisbane QLD 4072 Australia e: auscert@auscert.org.au t: +61 (0)7 3365 4417 Allies in Cyber Security ===========================================================================