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High severity7.5NVD Advisory· Published Aug 10, 2021· Updated Jun 17, 2026

CVE-2021-38371

CVE-2021-38371

Description

The STARTTLS feature in Exim through 4.94.2 allows response injection (buffering) during MTA SMTP sending.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3

Exim/Exim2 versions
cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*range: <=4.94.2
- (no CPE)range: <=4.94.2
Exim/Eximdescription

Patches

Vulnerability mechanics

References

4

www.exim.org/static/doc/security/CVE-2021-38371.txtnvdBroken LinkVendor Advisory
nostarttls.secvuln.infonvdTool Signature
www.exim.orgnvdProduct
lists.debian.org/debian-lts-announce/2024/10/msg00029.htmlnvd

News mentions

0

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