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2.0 Low

CVE-2026-103995 Lenient parsing of integers for response body and chunk framing

Description

Response body and chunk parsing would handle non-hex or negative integers incorrectly which could result in misinterpreting HTTP response contents.

CVSS 4.0 detail

Vector CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N

Exploitable remotely over the network, with an administrator account and if a user takes an action; with no direct impact on the vulnerable system.

Attack vector
Network
Attack complexity
Low
Attack requirements
Present
Privileges required
High
Interaction
Passive
Confidentiality
None
Integrity
None
Availability
None
Confidentiality of other systems
None
Integrity of other systems
Low
Availability of other systems
None

Affected products and versions

Product Affected versions Fixed in
CPython 3.16 earliest → < 3.16.0 3.16.0

References

Timeline

  1. Published
  2. Last modified
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