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CVE-2023-42118

Medium priority
Vulnerable

Exim libspf2 Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Exim libspf2. Authentication is not required to...

2 affected packages

exim4, libspf2

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
exim4 Vulnerable Vulnerable Vulnerable Vulnerable Vulnerable
libspf2 Vulnerable Vulnerable Vulnerable Vulnerable Vulnerable
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CVE-2021-33913

Medium priority

Some fixes available 3 of 6

libspf2 before 1.2.11 has a heap-based buffer overflow that might allow remote attackers to execute arbitrary code (via an unauthenticated e-mail message from anywhere on the Internet) with a crafted SPF DNS record, because of...

1 affected packages

libspf2

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
libspf2 Not affected Not affected Fixed Fixed Fixed
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CVE-2021-33912

Medium priority

Some fixes available 3 of 6

libspf2 before 1.2.11 has a four-byte heap-based buffer overflow that might allow remote attackers to execute arbitrary code (via an unauthenticated e-mail message from anywhere on the Internet) with a crafted SPF DNS record,...

1 affected packages

libspf2

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
libspf2 Not affected Not affected Fixed Fixed Fixed
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CVE-2021-20314

Medium priority

Some fixes available 3 of 6

Stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to Denial of service and potentially code execution via malicious crafted SPF explanation messages.

1 affected packages

libspf2

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
libspf2 Not affected Fixed Fixed Fixed
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CVE-2008-2469

High priority
Fixed

Heap-based buffer overflow in the SPF_dns_resolv_lookup function in Spf_dns_resolv.c in libspf2 before 1.2.8 allows remote attackers to execute arbitrary code via a long DNS TXT record with a modified length field.

1 affected packages

libspf2

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
libspf2
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