git package ubuntu

Asked by THOMAS MATHEW

What does 1:2 mean in this and what is ubuntu0.4 in the below line
git=1:2.17.1-1ubuntu0.4

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Manfred Hampl
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Best Manfred Hampl (m-hampl) said :
#1

see e.g https://serverfault.com/questions/604541/debian-packages-version-convention

"1.2" does not mean anything, because the parts have to be separated differently:

1: epoch - the numbering scheme has already changed once)
2.17.1 upstream version
-1 first debian package with that upstream version
ubuntu0.4 fourth minor modification for Ubuntu

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Manfred Hampl (m-hampl) said :
#2

Remark: version 1:2.17.1-1ubuntu0.4 of git is obsolete. This was a version in Ubuntu bionic that meanwhile has been superseded by version 1:2.17.1-1ubuntu0.9 (updated to correct bugs, among others CVE-2021-40330, CVE-2021-21300, CVE-2020-11008, CVE-2020-5260, CVE-2019-1348, CVE-2019-1349, CVE-2019-1350, CVE-2019-1351, CVE-2019-1352, CVE-2019-1353, CVE-2019-1354, CVE-2019-1387, CVE-2019-19604)

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THOMAS MATHEW (thomas4u) said :
#3

Thanks Manfred Hampl, that solved my question.