Exim security advisory (AV26-944)
Canada's Cyber Centre warns Exim versions before 4.100.1 are vulnerable and urges administrators to update.
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- Mentions · 7d0
- Mentions · 30d0
- All mentions4
- First seenSep 19, 2026
- Last mentionedSep 21, 2026
Timeline
4 articles · newest firstExim Mail Server 4.100.1 Fixes 4 Security Flaws Including SMTP Smuggling and Heap Corruption
Exim 4.100.1 patches four flaws, including high-severity Proxy Protocol heap corruption, uninitialized data leak, GnuTLS use-after-free, and SMTP smuggling.
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Exim Mail Server Hit by 4 Security Flaws Enabling SMTP Smuggling and Heap Corruption
Exim Mail Server 4.100.1 patches critical out-of-bounds write and SMTP smuggling flaws that could allow remote code execution and message injection.
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Exim Security Release 4.100.1
Exim released security update 4.100.1 addressing vulnerabilities in the widely used open-source mail transfer agent; details remain sparse.
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Appears with
- Exim 4.100.1product · 2
- Eximproduct · 1
- GBHackersorganization · 1
- oss-securityorganization · 1
- GnuTLSvendor · 1
- Canadian Centre for Cyber Securityorganization · 1
- Eximorganization · 1
- watchTowrorganization · 1
- Exim Mail Serverproduct · 1
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