# SUSE-SU-2026:4619-1: expat security update SUSE-SU-2026:4619-1, released November 7, 2026, fixes 29 CVEs in expat (version 2.8.5-150700.3.15.1). None of them is reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/fix/linux/suse-su-2026-4619-1 - Platform: Linux - Released: Nov 7, 2026 - Priority: High (Closes CVE-2025-59375, high severity) - CVEs: 29, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://osv.dev/vulnerability/SUSE-SU-2026:4619-1 ## Applies to | Product | Release | Fixed in | |---|---|---| | [expat](https://patchblox.com/security/data/product/linux/expat.md) | sles 15.7 | 2.8.5-150700.3.15.1 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2025-59375](https://patchblox.com/security/data/cve/CVE-2025-59375.md) | High | libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing. | 8.1 | 0.0138 | | | [CVE-2026-66046](https://patchblox.com/security/data/cve/CVE-2026-66046.md) | High | Expat Denial of Service via storeAtts() Quadratic Complexity | 7.5 | 0.0074 | | | [CVE-2026-45186](https://patchblox.com/security/data/cve/CVE-2026-45186.md) | High | In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input. | 8.2 | 0.0048 | | | [CVE-2026-93990](https://patchblox.com/security/data/cve/CVE-2026-93990.md) | High | Expat through 2.8.4 Malformed UTF-16 Acceptance via Unchecked Surrogate | 7.5 | 0.0040 | | | [CVE-2026-102633](https://patchblox.com/security/data/cve/CVE-2026-102633.md) | High | libexpat 2.7.2 through 2.8.5 Integer Overflow in expat_realloc | 8.2 | 0.0037 | | | [CVE-2026-77214](https://patchblox.com/security/data/cve/CVE-2026-77214.md) | High | libexpat Heap Buffer Over-read in xmlparse.c via XML_ParseBuffer | 8.2 | 0.0032 | | | [CVE-2026-76956](https://patchblox.com/security/data/cve/CVE-2026-76956.md) | High | In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, which results in being vulnerable to hash flooding attacks, causing a denial of service via crafted XML content. | 7.5 | 0.0029 | | | [CVE-2026-25210](https://patchblox.com/security/data/cve/CVE-2026-25210.md) | High | expat: In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is... | 7.8 | 0.0021 | | | [CVE-2026-76957](https://patchblox.com/security/data/cve/CVE-2026-76957.md) | High | libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and CVE-2026-56412. | 7.8 | 0.0011 | | | [CVE-2026-41080](https://patchblox.com/security/data/cve/CVE-2026-41080.md) | Routine | expat: libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document. | 2.9 | 0.0040 | | | [CVE-2026-76641](https://patchblox.com/security/data/cve/CVE-2026-76641.md) | Routine | expat: out-of-bounds read vulnerability that allows attackers to trigger | n/a | 0.0035 | | | [CVE-2026-32777](https://patchblox.com/security/data/cve/CVE-2026-32777.md) | Routine | libexpat before 2.7.5 allows an infinite loop while parsing DTD content. | 5.5 | 0.0023 | | | [CVE-2026-72522](https://patchblox.com/security/data/cve/CVE-2026-72522.md) | Routine | libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unicode processing in the *_toUtf16 functions. | 6.2 | 0.0019 | | | [CVE-2026-24515](https://patchblox.com/security/data/cve/CVE-2026-24515.md) | Routine | expat: In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data. | 2.5 | 0.0019 | | | [CVE-2026-50219](https://patchblox.com/security/data/cve/CVE-2026-50219.md) | Routine | libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_GetBuffer, XML_Parse, XML_ParseBuffer, XML_ParserFree, or XML_ParserReset from within handlers in cases of a policy violation. Thus, a use-after-free can occur, | 6.9 | 0.0018 | | | [CVE-2026-56412](https://patchblox.com/security/data/cve/CVE-2026-56412.md) | Routine | libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases of a policy violation. Thus, a use-after-free can occur. NOTE: this issue exists because of an incomplete fix for CVE-2026-50219. | 5.9 | 0.0018 | | | [CVE-2026-32778](https://patchblox.com/security/data/cve/CVE-2026-32778.md) | Routine | libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier ouf-of-memory condition. | 5.5 | 0.0018 | | | [CVE-2026-56131](https://patchblox.com/security/data/cve/CVE-2026-56131.md) | Routine | libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_ResumeParser from within handlers in cases of a policy violation. Thus, a use-after-free can occur (similar to the CVE-2026-50219 situation). | 4.9 | 0.0018 | | | [CVE-2026-56406](https://patchblox.com/security/data/cve/CVE-2026-56406.md) | Routine | libexpat before 2.8.2 has an integer overflow in XML_ParseBuffer because it lacked a check that was present in XML_Parse. | 6.9 | 0.0017 | | | [CVE-2026-56407](https://patchblox.com/security/data/cve/CVE-2026-56407.md) | Routine | libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen. | 6.9 | 0.0017 | | | [CVE-2026-32776](https://patchblox.com/security/data/cve/CVE-2026-32776.md) | Routine | libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content. | 5.5 | 0.0017 | | | [CVE-2026-56403](https://patchblox.com/security/data/cve/CVE-2026-56403.md) | Routine | libexpat before 2.8.2 has an integer overflow in storeAtts. | 6.9 | 0.0017 | | | [CVE-2026-56132](https://patchblox.com/security/data/cve/CVE-2026-56132.md) | Routine | In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers. | 6.9 | 0.0014 | | | [CVE-2026-56404](https://patchblox.com/security/data/cve/CVE-2026-56404.md) | Routine | libexpat before 2.8.2 has an integer overflow in addBinding. | 6.9 | 0.0013 | | | [CVE-2026-56410](https://patchblox.com/security/data/cve/CVE-2026-56410.md) | Routine | xmlwf in libexpat before 2.8.2 has an integer overflow in resolveSystemId. | 6.9 | 0.0013 | | | [CVE-2026-56411](https://patchblox.com/security/data/cve/CVE-2026-56411.md) | Routine | xmlwf in libexpat before 2.8.2 has an integer overflow in endDoctypeDecl via NOTATION declarations. | 6.9 | 0.0013 | | | [CVE-2026-56405](https://patchblox.com/security/data/cve/CVE-2026-56405.md) | Routine | libexpat before 2.8.2 has an integer overflow in getAttributeId. | 6.9 | 0.0013 | | | [CVE-2026-56408](https://patchblox.com/security/data/cve/CVE-2026-56408.md) | Routine | expat: libexpat before 2.8.2 has an integer overflow in copyString. | 6.9 | 0.0013 | | | [CVE-2026-56409](https://patchblox.com/security/data/cve/CVE-2026-56409.md) | Routine | xmlwf in libexpat before 2.8.2 has an integer overflow for the output filename when -d outputDir is used. | 6.5 | 0.0012 | | --- Data as of 2026-11-11T01:43:54Z UTC. 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