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Apply upstream patches to address multiple vulnerabilities#3526

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flavorjones merged 1 commit into
v1.18.xfrom
flavorjones/libxml2-2.13-security-patches
Jul 21, 2025
Merged

Apply upstream patches to address multiple vulnerabilities#3526
flavorjones merged 1 commit into
v1.18.xfrom
flavorjones/libxml2-2.13-security-patches

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@flavorjones

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What problem is this PR intended to solve?

Address multiple vulnerabilities that are patched in libxml 2.14.4 and 2.14.5 but do not appear in an official 2.13.x release.

  • CVE-2025-6021 - 17d950ae "tree: Fix integer overflow in xmlBuildQName"
  • CVE-2025-6170 - 5e9ec5c1 "Fix potential buffer overflows of interactive shell"
  • CVE-2025-49794 - 81cef8c5 "schematron: Fix xmlSchematronReportOutput"
  • CVE-2025-49795 - 62048278 "schematron: Fix null pointer dereference leading to DoS"
  • CVE-2025-49796 - 81cef8c5 "schematron: Fix xmlSchematronReportOutput"

See related GHSA-353f-x4gh-cqq8 which will be published when these patches appear in a release.

- CVE-2025-6021 - 17d950ae "tree: Fix integer overflow in xmlBuildQName"
- CVE-2025-6170 - 5e9ec5c1 "Fix potential buffer overflows of interactive shell"
- CVE-2025-49794 - 81cef8c5 "schematron: Fix xmlSchematronReportOutput"
- CVE-2025-49795 - 62048278 "schematron: Fix null pointer dereference leading to DoS"
- CVE-2025-49796 - 81cef8c5 "schematron: Fix xmlSchematronReportOutput"
@flavorjones

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cc @elken @rekhaagarwal09

@elken

elken commented Jul 20, 2025

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Thanks so much @flavorjones.

https://xkcd.com/2347/ feels very relevant here 😄

@flavorjones flavorjones merged commit a05d2b4 into v1.18.x Jul 21, 2025
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@flavorjones flavorjones deleted the flavorjones/libxml2-2.13-security-patches branch July 21, 2025 02:02
@rekhaagarwal09

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Thank you so much @flavorjones

@flavorjones

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This was released in v1.18.9.

@elken

elken commented Jul 22, 2025

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@flavorjones I've also contacted Snyk to let them know this should be resolved now so hopefully it stops being flagged soon by our systems 😄

@snuggs

snuggs commented Jul 29, 2025

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This was released in v1.18.9.

Thanks for this @flavorjones. This helped solve a work issue today. 🎉

P.S. Long time since NYC💎rb. Hope you are well!

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4 participants