| Package | Affected versions | Patched versions |
|---|---|---|
| fetchmail | = 4.5.1= 4.5.2= 4.5.3= 4.5.4= 4.5.5= 4.5.6= 4.5.7= 4.5.8= 4.6.0= 4.6.1= 4.6.2= 4.6.3= 4.6.4= 4.6.5= 4.6.6= 4.6.7= 4.6.8= 4.6.9= 4.7.0= 4.7.1= 4.7.2= 4.7.3= 4.7.4= 4.7.5= 4.7.6= 4.7.7= 5.0.0= 5.0.1= 5.0.2= 5.0.3= 5.0.4= 5.0.5= 5.0.6= 5.0.7= 5.0.8= 5.1.0= 5.1.4= 5.2.0= 5.2.1= 5.2.3= 5.2.4= 5.2.7= 5.2.8= 5.3.0= 5.3.1= 5.3.3= 5.3.8= 5.4.0= 5.4.3= 5.4.4= 5.4.5= 5.5.0= 5.5.2= 5.5.3= 5.5.5= 5.5.6= 5.6.0= 5.7.0= 5.7.2= 5.7.4= 5.8= 5.8.1= 5.8.11= 5.8.13= 5.8.14= 5.8.17= 5.8.2= 5.8.3= 5.8.4= 5.8.5= 5.8.6= 5.9.0= 5.9.10= 5.9.11= 5.9.13= 5.9.4= 5.9.5= 5.9.8≤ 6.0.0 |
The getmxrecord function in Fetchmail 6.0.0 and earlier does not properly check the boundary of a particular malformed DNS packet from a malicious DNS server, which allows remote attackers to cause a denial of service (crash) when Fetchmail attempts to read data beyond the expected boundary.
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