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fix CVE-2026-9375 #206
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Liuhuiooo创建于 6月29日
Liuhuiooo
6月29日

Fix CVE-2026-9375 (decompression bomb safeguard bypass, CVSS 7.5 High) in python-urllib3 on openEuler-24.03-LTS-SP4 (urllib3 1.26.18).

The streaming-API decompression-bomb safeguards were bypassed: HTTPResponse.drain_conn() called self.read(decode_content=self._has_decoded_content), so after a partial decoded read it would decompress ALL remaining body data. A small compressed bomb thus expands fully in memory. Backports the upstream fix (GHSA-mf9v-mfxr-j63j): drain_conn uses _raw_read (no decompression) and clears the decoder; read() also bounds-checks the decoded buffer before re-decoding the unconsumed tail.

Verified locally on urllib3 1.26.18 (+ the existing SP4 patch stack): an 800 MB gzip bomb (796 KB compressed) detonates via drain_conn() before the patch (RSS 27->1634 MB) and is contained after (27->29 MB).

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LLiuhuiooo
6月29日 创建了 pull request,commit c64b5489
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6月29日 将MrRlu,sunsuwan,Apricity_HW,robert-xingwang设为审查人
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6月29日 添加了label:sig/Networking
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6月29日 添加了label:openeuler-cla/yes
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CLA Signature Pass

Liuhuiooo, thanks for your pull request. All authors of the commits have signed the CLA. 👍

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6月29日 评论:

门禁正在运行, 您可以通过以下链接查看实时门禁检查结果.
若您对门禁结果含义不清晰或者遇到问题不知如何解决,可参考门禁指导手册
门禁入口及编码规范检查: multiarch/src-openeuler/trigger/python-urllib3/169/console

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6月29日 添加了label:ci_processing
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当前仓库存在以下 保护分支

Protected Branch Version Release
master 2.3.0 9
openEuler-24.03-LTS-SP3 1.26.18 9
openEuler-24.03-LTS-Next 1.26.18 9
openEuler-24.03-LTS-SP1 1.26.18 9
openEuler-22.03-LTS-SP4 1.26.12 14
openEuler-20.03-LTS-SP4 1.25.9 18
openEuler-24.03-LTS-SP4 1.26.18 8
Multi-Version_OpenStack-Antelope_openEuler-24.03-LTS-SP4 1.26.12 6
Multi-Version_OpenStack-Wallaby_openEuler-24.03-LTS-SP4 1.26.12 1
Multi-Version_OpenStack-Antelope_openEuler-24.03-LTS-SP3 1.26.12 6
Multi-Version_OpenStack-Wallaby_openEuler-24.03-LTS-SP3 1.26.12 1
Multi-Version_OpenStack-Wallaby_openEuler-24.03-LTS-SP2 1.26.12 1
Multi-Version_OpenStack-Wallaby_openEuler-24.03-LTS-SP1 1.26.12 1
Multi-Version_OpenStack-Wallaby_openEuler-24.03-LTS-Next 1.26.12 1
Multi-Version_OpenStack-Wallaby_openEuler-24.03-LTS 1.26.3 5
Multi-Version_OpenStack-Wallaby_openEuler-22.03-LTS-SP4 1.26.3 6
Multi-Version_OpenStack-Wallaby_openEuler-22.03-LTS-SP3 1.26.3 5
Multi-Version_OpenStack-Wallaby_openEuler-22.03-LTS-SP2 1.26.3 5
Multi-Version_OpenStack-Wallaby_openEuler-22.03-LTS-SP1 1.26.3 5
Multi-Version_OpenStack-Wallaby_openEuler-22.03-LTS-Next 1.26.3 5
Multi-Version_OpenStack-Wallaby_openEuler-22.03-LTS 1.26.3 4
Multi-Version_OpenStack-Train_openEuler-22.03-LTS-SP4 1.25.9 5
Multi-Version_OpenStack-Train_openEuler-22.03-LTS-SP3 1.25.9 5
Multi-Version_OpenStack-Train_openEuler-22.03-LTS-SP2 1.25.9 5
Multi-Version_OpenStack-Train_openEuler-22.03-LTS-SP1 1.25.9 5
Multi-Version_OpenStack-Train_openEuler-22.03-LTS-Next 1.25.9 5
Multi-Version_OpenStack-Train_openEuler-22.03-LTS 1.25.9 5
Multi-Version_OpenStack-Antelope_openEuler-25.03 1.26.12 6
Multi-Version_OpenStack-Antelope_openEuler-24.03-LTS-SP2 1.26.12 6
Multi-Version_OpenStack-Antelope_openEuler-24.03-LTS-SP1 1.26.12 6
Multi-Version_OpenStack-Antelope_openEuler-24.03-LTS-Next 1.26.12 6
Multi-Version_OpenStack-Antelope_openEuler-24.03-LTS 1.26.12 6
openEuler1.0-base 1.24.3 2
openEuler1.0 1.24.3 2

评论 /sync <branch1> <branch2> ... 可将当前 PR 修改同步到其它分支(创建同步 PR):
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6月29日 评论:

aarch64架构构建及构建后检查:multiarch/src-openeuler/aarch64/python-urllib3/169/console

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6月29日 评论:

x86_64架构构建及构建后检查:multiarch/src-openeuler/x86-64/python-urllib3/169/console

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6月29日 删除了label:ci_processing
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Check Name Build Result Build Details
check_binary_file SUCCESS #169
check_lfsconfig :ballot_box_with_check:EXCLUDE
check_package_yaml_file SUCCESS
check_repo_in_maintain SUCCESS
check_consistency SUCCESS
check_spec_file SUCCESS
x86_64 check_build SUCCESS #169
check_install SUCCESS
check_license SUCCESS
aarch64 check_build SUCCESS #169
check_install SUCCESS
check_license SUCCESS
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6月29日 添加了label:ci_successful
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如下为接口变更检查结果,目标分支为openEuler-24.03-LTS-SP4,请PR提交者check差异信息

Arch Name Check Items Rpm Name Check Result Build Details
compare_package(x86_64) add_rpms SUCCESS #169
delete_rpms SUCCESS
rpm_files SUCCESS
rpm_provides SUCCESS
rpm_requires SUCCESS
compare_package(aarch64) add_rpms SUCCESS #169
delete_rpms SUCCESS
rpm_files SUCCESS
rpm_provides SUCCESS
rpm_requires SUCCESS
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