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Upgrade httpcomponents.client5 to 5.6.2 - #7128

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bhoradc merged 1 commit into
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bhoradc/upgrade_httpclient5_562
Jul 10, 2026
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Upgrade httpcomponents.client5 to 5.6.2#7128
bhoradc merged 1 commit into
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bhoradc/upgrade_httpclient5_562

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@bhoradc

@bhoradc bhoradc commented Jul 9, 2026

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Motivation and Context

Upgrade httpclient5 from 5.6.1 to 5.6.2 to resolve CVE-2026-54428 - a HIGH severity vulnerability (CVSS 7.5) in the transitive dependency httpcore5-h2.

httpclient5@5.6.2 pulls in httpcore5-h2@5.4.3 which contains the fix.

Fixes #7123

Modifications

Bump httpcomponents.client5.version from 5.6.1 to 5.6.2

No breaking changes

httpclient5 5.6.2 release notes - shows below changes:

  1. Upgraded HttpCore to 5.4.3
  2. HTTPCLIENT-2422: Restore lazy content decompression

httpcore5 5.4.3 release notes include the fix:

Enforce configured HPACK header list size limit upon initialization of HTTP/2 connections.

All other transitive dependency versions are identical between 5.6.1 and 5.6.2.

License

  • I confirm that this pull request can be released under the Apache 2 license

Upgrade httpclient5 from 5.6.1 to 5.6.2 to resolve CVE-2026-54428
(CWE-770: Allocation of Resources Without Limits or Throttling) in
the transitive dependency httpcore5-h2. The vulnerability allows a
remote attacker to exhaust memory via oversized HTTP/2 HPACK header
blocks before SETTINGS ACK applies the configured limit.

httpclient5 5.6.2 pulls in httpcore5-h2 5.4.3 which contains the fix.

Fixes #7123
@bhoradc
bhoradc requested a review from a team as a code owner July 9, 2026 22:27
@bhoradc bhoradc added the no-api-surface-area-change Indicate there is no API surface area change and thus API surface area review is not required label Jul 9, 2026
@bhoradc
bhoradc enabled auto-merge July 9, 2026 22:48
@bhoradc
bhoradc added this pull request to the merge queue Jul 9, 2026
Merged via the queue into master with commit 78872ca Jul 10, 2026
16 of 17 checks passed
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@bhoradc
bhoradc deleted the bhoradc/upgrade_httpclient5_562 branch July 20, 2026 21:59
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no-api-surface-area-change Indicate there is no API surface area change and thus API surface area review is not required

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Successfully merging this pull request may close these issues.

CWE-770: Allocation of Resources Without Limits or Throttling through org.apache.httpcomponents.client5:httpclient5@5.6.1

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