Denial of Service via malformed DNS PTR records exploits dn_expand bug in Exim on musl systems
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| Exim | Exim | unaffected |
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No data.
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| Exim | Exim |
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| Source | ID | Title |
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Debian DSA |
DSA-6265-1 | exim4 security update |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.362% probability within 30 days)
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ssvc
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| Title | Denial of Service via malformed DNS PTR records exploits dn_expand bug in Exim on musl systems |
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| Description | In Exim before 4.99.2, on systems using musl libc (not glibc), an attacker can crash the connection instance when malformed DNS data is present in PTR records. This is caused by a dn_expand oddity in octal printing. | |
| First Time appeared |
Exim
Exim exim |
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| Weaknesses | CWE-684 | |
| CPEs | cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Exim
Exim exim |
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| References |
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| Metrics |
cvssV3_1
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