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The vulnerability of the ungetc() function in the BDAT/CHUNKING component of the email server Exim, which allows a hacker to execute arbitrary code.

🗓️ 13 May 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 2 Views

Remote attacker can exploit the ungetc use after free in Exim BDAT chunking to execute arbitrary code.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
GithubExploit
Exploit for CVE-2026-45185
19 May 202616:26
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Exploit for CVE-2026-45185
12 May 202617:51
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ATTACKERKB
CVE-2026-45185
12 May 202600:00
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AlpineLinux
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12 May 202600:00
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AstraLinux
Astra Linux – Vulnerability in exim4
2 Jun 202615:27
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Circl
CVE-2026-45185
12 May 202614:44
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CNNVD
Exim 资源管理错误漏洞
12 May 202600:00
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CVE-2026-45185
12 May 202600:00
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Cvelist
CVE-2026-45185
12 May 202600:00
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Debian CVE
CVE-2026-45185
12 May 202600:00
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01 Jun 2026 00:00Current
7.8High risk
Vulners AI Score7.8
CVSS 39.8
CVSS 210
EPSS0.01225
2