Security updates 8.6.3 - System.Security.Cryptography.Xml - #2438
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July 21, 2026 10:31
… If true the IMAGE function will not download external content
…VE-2026-47302/47304/50525/50527/50648. Bump version to 8.6.3.
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…2451) * Fixes issue #2392 (#2419) * Versioning moved to Directory.Build.props and Build-release.yml adjusted for v9 * Add link to security considerations for formulas * Update link for security considerations in SECURITY.md * Bug/s1060 (#2426) * Allow AppVersion in OfficeProperties to be set to null. #2393. * WIP * bug/s1063 SEARCH function Range on third arg (#2430) * Tracking down the issue * Found main issue. Arrays 3rd arg Search function * Simplified test * #2431 Fix formula cfvo load error in ext icon sets (#2432) Co-authored-by: swmal <{ID}+username}@users.noreply.github.com> * Add configurable WrapText measurement to AutoFitColumns (#2427) (#2428) * #2427 - Add WrappedTextAutofitMode enum for configurable WrapText measurement in AutoFitColumns; fix per-line East Asian width reset * Added tests. Might be correct despite failing test * Fixed failing test --------- Co-authored-by: Ossian Edström <ossian.edstrom@epplussoftware.com> Co-authored-by: Jan Källman <jan.kallman@epplussoftware.com> * Added DisableImageFunctionDownloads property to ParsingConfiguration. If true the IMAGE function will not download external content (#2436) Co-authored-by: swmal <{ID}+username}@users.noreply.github.com> * EPPlus version 8.6.2 * Updated version number on EPPlus.Interfaces and EPPlus.System.Drawing projects * Security updates 8.6.3 - System.Security.Cryptography.Xml (#2438) * Added DisableImageFunctionDownloads property to ParsingConfiguration. If true the IMAGE function will not download external content * Update System.Security.Cryptography.Xml to 8.0.4/9.0.18/10.0.10 for CVE-2026-47302/47304/50525/50527/50648. Bump version to 8.6.3. * Additional fixes för appveyor8.yml, fixedIssures.md and EPPlus project file --------- Co-authored-by: swmal <{ID}+username}@users.noreply.github.com> * #2443 - Fix header/footer picture loss when copying worksheets (#2444) Co-authored-by: swmal <{ID}+username}@users.noreply.github.com> * #2439 - Fix lookup regression when range starts before worksheet dimension; clamp both ends but keep range-relative offset (#2440) Co-authored-by: swmal <{ID}+username}@users.noreply.github.com> * #2441 - Added DisableImageFunctionDownloads property to ExcelCalculationOption (#2442) Co-authored-by: swmal <{ID}+username}@users.noreply.github.com> * Centralize version in Directory.Build.props; embed sub-project DLLs in package --------- Co-authored-by: Jan Källman <jan.kallman@epplussoftware.com> Co-authored-by: karlkallman <137038948+karlkallman@users.noreply.github.com> Co-authored-by: OssianEPPlus <122265629+OssianEPPlus@users.noreply.github.com> Co-authored-by: swmal <{ID}+username}@users.noreply.github.com> Co-authored-by: Ossian Edström <ossian.edstrom@epplussoftware.com>
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Security release 8.6.3
Updates System.Security.Cryptography.Xml to address five CVEs in the .NET XML signing dependency, reported by grype scanning shortly after the 8.6.2 release.
Vulnerabilities addressed
Package versions per target line
net35 is unaffected; it uses the built-in System.Security assembly and has no package reference.
Testing
Full test suite (6500 tests) run green locally on net481, net8.0, net9.0 and net10.0.
Notes
Security-only release, no functional changes. Follows the same pattern as the 8.5.2 security update.