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GeezerVison is showing github.com — Reject buffered plaintext after IMAP STARTTLS · Issue #160369 · python/cpython

Reject buffered plaintext after IMAP STARTTLS #160369

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#160370
Open
Reject buffered plaintext after IMAP STARTTLS#160369
#160370
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JelleZijlstra
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type-securityA security issueA security issue

Description

@JelleZijlstra
JelleZijlstra
opened on Oct 22, 2026
Issue body actions

Linked PRs

  • gh-160369: Reject buffered plaintext after IMAP STARTTLS #160370
  • [3.11] gh-160369: Discard cached responses after IMAP STARTTLS (GH-160370) #161757
  • [3.12] gh-160369: Discard cached responses after IMAP STARTTLS (GH-160370) #161758
  • [3.13] gh-160369: Discard cached responses after IMAP STARTTLS (GH-160370) #161759
  • [3.14] gh-160369: Reject buffered plaintext after IMAP STARTTLS (GH-160370) #161760
  • [3.15] gh-160369: Reject buffered plaintext after IMAP STARTTLS (GH-160370) #161761

Activity

  1. JelleZijlstra
    self-assigned this
    on Oct 22, 2026
  2. JelleZijlstra
    added
    type-securityA security issueA security issue
    on Oct 22, 2026
  3. JelleZijlstra
    added 2 commits that reference this issue on Oct 22, 2026

    pythongh-160369: Reference CVE-2026-115559 in NEWS

    0ca2fea

    pythongh-160369: Use CVE metadata in NEWS

    46f42ce
  4. JelleZijlstra
    closed this as completedin #160370on Nov 10, 2026
  5. JelleZijlstra
    added a commit that references this issue on Nov 10, 2026

    gh-160369: Reject buffered plaintext after IMAP STARTTLS (#160370)

    2f0e294
  6. JelleZijlstra
    reopened this on Nov 10, 2026
  7. hugovk
    changed the title [-]Pending bug[/-] [+]Reject buffered plaintext after IMAP STARTTLS[/+] on Nov 10, 2026
  8. orsenthil
    added a commit that references this issue on Nov 12, 2026

    pythongh-160369: Reject buffered plaintext after IMAP STARTTLS (pytho…

    da48492
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  • @JelleZijlstra
    JelleZijlstra

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type-securityA security issueA security issue

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