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CVE-2026-53540 Python-Multipart: Negative Content-Length in parse_form buffers the entire body in memory

🗓️ 22 Jun 2026 16:58:54Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

CVE-2026-53540: Negative Content-Length in parse_form could load the whole body; fixed in 0.0.31.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-53540
22 Jun 202616:58
attackerkb
Chainguard
CVE-2026-53540 vulnerabilities
17 Jun 202608:56
cgr
CVE
CVE-2026-53540
22 Jun 202616:58
cve
Github Security Blog
python-multipart: Negative Content-Length in parse_form buffers the entire body in memory
15 Jun 202620:23
github
NVD
CVE-2026-53540
22 Jun 202618:16
nvd
OSV
CGA-4CHQ-8F8M-CXG9
17 Jun 202603:33
osv
OSV
GHSA-V9PG-7XVM-68HF python-multipart: Negative Content-Length in parse_form buffers the entire body in memory
15 Jun 202620:23
osv
OSV
MINI-53XP-8722-9947
16 Jun 202617:23
osv
OSV
MINI-58XH-JQ4G-RRW6
16 Jun 202617:59
osv
OSV
MINI-7HFF-X4RC-G53C
16 Jun 202617:25
osv
Rows per page
[
  {
    "vendor": "Kludex",
    "product": "python-multipart",
    "versions": [
      {
        "version": "< 0.0.31",
        "status": "affected"
      }
    ]
  }
]

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