CVE-2025-43859

一、漏洞信息
 漏洞编号：[CVE-2025-43859](https://nvd.nist.gov/vuln/detail/CVE-2025-43859)
 漏洞归属组件：[python-h11](https://gitee.com/src-openeuler/python-h11)
 漏洞归属的版本：0.12.0,0.14.0
 CVSS V3.0分值：
  BaseScore：N/A None
  Vector：CVSS：3.0/
 漏洞简述：
  h11 is a Python implementation of HTTP/1.1. Prior to version 0.16.0, a leniency in h11 s parsing of line terminators in chunked-coding message bodies can lead to request smuggling vulnerabilities under certain conditions. This issue has been patched in version 0.16.0. Since exploitation requires the combination of buggy h11 with a buggy (reverse) proxy, fixing either component is sufficient to mitigate this issue.
 漏洞公开时间：2025-04-25 03:15:47
 漏洞创建时间：2025-04-26 03:24:30
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2025-43859
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| security-advisories.github.com | https://github.com/python-hyper/h11/commit/114803a29ce50116dc47951c690ad4892b1a36ed |  |
| security-advisories.github.com | https://github.com/python-hyper/h11/security/advisories/GHSA-vqfr-h8mv-ghfj |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2025-43859 | https://bugzilla.suse.com/show_bug.cgi?id=1241872 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2025-43859 | https://bugzilla.suse.com/show_bug.cgi?id=1241872 |
| suse_bugzilla | https://github.com/python-hyper/h11/commit/114803a29ce50116dc47951c690ad4892b1a36ed | https://bugzilla.suse.com/show_bug.cgi?id=1241872 |
| suse_bugzilla | https://github.com/python-hyper/h11/security/advisories/GHSA-vqfr-h8mv-ghfj | https://bugzilla.suse.com/show_bug.cgi?id=1241872 |
| suse_bugzilla | https://github.com/CVEProject/cvelistV5/blob/main//cves/2025/43xxx/CVE-2025-43859.json | https://bugzilla.suse.com/show_bug.cgi?id=1241872 |
| osv | https://github.com/python-hyper/h11/security/advisories/GHSA-vqfr-h8mv-ghfj | https://osv.dev/vulnerability/CVE-2025-43859 |
| osv | https://github.com/python-hyper/h11/commit/114803a29ce50116dc47951c690ad4892b1a36ed | https://osv.dev/vulnerability/CVE-2025-43859 |
| osv | https://security-tracker.debian.org/tracker/CVE-2025-43859 | https://osv.dev/vulnerability/CVE-2025-43859 |

</details>

漏洞分析指导链接：
  https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
 漏洞数据来源:
  openBrain开源漏洞感知系统
 漏洞补丁信息：
  <details>
<summary>详情(点击展开)</summary>

| 影响的包 | 修复版本 | 修复补丁 | 问题引入补丁 | 来源  |
| ------- | -------- | ------- | -------- | --------- |
|  |  | https://github.com/python-hyper/h11/commit/114803a29ce50116dc47951c690ad4892b1a36ed |  | security-advisories.github.com |
|  |  | https://github.com/python-hyper/h11/commit/114803a29ce50116dc47951c690ad4892b1a36ed |  | suse_bugzilla |
|  |  | https://github.com/python-hyper/h11/commit/114803a29ce50116dc47951c690ad4892b1a36ed |  | osv |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
  h11 is a Python implementation of HTTP/1.1. Prior to version 0.16.0, a leniency in h11 s parsing of line terminators in chunked-coding message bodies can lead to request smuggling vulnerabilities under certain conditions. This issue has been patched in version 0.16.0. Since exploitation requires the combination of buggy h11 with a buggy (reverse) proxy, fixing either component is sufficient to mitigate this issue.
 openEuler评分：
  9.1
 Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
 受影响版本排查(受影响/不受影响)：
  1.master(0.14.0):受影响
2.openEuler-24.03-LTS(0.14.0):受影响
3.openEuler-24.03-LTS-Next(0.14.0):受影响
4.openEuler-24.03-LTS-SP1(0.14.0):受影响
5.openEuler-24.03-LTS-SP2(0.14.0):受影响
6.openEuler-20.03-LTS-SP4(0.12.0):不受影响
7.openEuler-22.03-LTS-SP3(0.12.0):不受影响
8.openEuler-22.03-LTS-SP4(0.12.0):不受影响

修复是否涉及abi变化(是/否)：
  1.master(0.14.0):否
2.openEuler-20.03-LTS-SP4(0.12.0):否
3.openEuler-22.03-LTS-SP3(0.12.0):否
4.openEuler-22.03-LTS-SP4(0.12.0):否
5.openEuler-24.03-LTS(0.14.0):否
6.openEuler-24.03-LTS-Next(0.14.0):否
7.openEuler-24.03-LTS-SP1(0.14.0):否
8.openEuler-24.03-LTS-SP2(0.14.0):否

原因说明：
  1.master(0.14.0):正常修复
2.openEuler-24.03-LTS(0.14.0):正常修复
3.openEuler-24.03-LTS-Next(0.14.0):正常修复
4.openEuler-24.03-LTS-SP1(0.14.0):正常修复
5.openEuler-24.03-LTS-SP2(0.14.0):正常修复
6.openEuler-20.03-LTS-SP4(0.12.0):不受影响-漏洞代码不存在
7.openEuler-22.03-LTS-SP3(0.12.0):不受影响-漏洞代码不存在
8.openEuler-22.03-LTS-SP4(0.12.0):不受影响-漏洞代码不存在

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2025-1497

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