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CVE-2026-48840

CVSS 5.3v3.1pub. 2026-05-30upd. 2026-06-05

Exim 4.88 before 4.99.4, in some proxy configurations, mishandles certain short payloads, leading to disclosure of uninitialized stack memory values to a client.

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  • Exim

    APP
    Exim
    4.88 – 4.99.4 (bez)
πŸ”΅
CHECK WITH VENDOR
No clear patch data available. Check vendor references.
CWE
References

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CVE-2026-48840 β€” Exim β€” MEDIUM β€” CVSS 5.3 | CVEbaza.pl