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CVE-2026-97688 urllib3: Chunked Deflate streaming can enter an infinite loop

🗓️ 29 Sep 2026 15:32:17Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 53 Views

Infinite loop in urllib3 Chunked Deflate streaming leads to excessive CPU usage.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-97688
29 Sep 202615:32
–alpinelinux
cgr
Chainguard
CVE-2026-97688 vulnerabilities
1 Oct 202614:54
–cgr
circl
Circl
CVE-2026-97688
1 Oct 202612:00
–circl
cve
CVE
CVE-2026-97688
29 Sep 202615:32
–cve
debiancve
Debian CVE
CVE-2026-97688
29 Sep 202615:32
–debiancve
euvd
EUVD
EUVD-2026-89007
30 Sep 202615:00
–euvd
github
Github Security Blog
urllib3: Chunked Deflate streaming can enter an infinite loop
30 Sep 202615:00
–github
mend
Mend
CVE-2026-97688
29 Sep 202615:32
–mend
nvd
NVD
CVE-2026-97688
29 Sep 202616:17
–nvd
opensuse
OPENSUSE Linux
python313-urllib3-2.8.0-1.1 on GA media (moderate)
16 Oct 202600:00
–opensuse
Rows per page
[
  {
    "vendor": "urllib3",
    "product": "urllib3",
    "versions": [
      {
        "version": ">= 2.6.2, < 2.8.0",
        "status": "affected"
      }
    ]
  }
]

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