Description
In libssh2 before 1.9.0, kex_method_diffie_hellman_group_exchange_sha256_key_exchange in kex.c has an integer overflow that could lead to an out-of-bounds read in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to disclose sensitive information or cause a denial of service condition on the client system when a user connects to the server. This is related to an _libssh2_check_length mistake, and is different from the various issues fixed in 1.8.1, such as CVE-2019-3855.
Mitigation
Minimal update. May introduce new vulnerabilities or breaking changes.
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 alpine v3.12 | | =1.2.8-r0 || =1.2.9-r0 || =1.3.0-r0 || =1.4.0-r0 || =1.4.1-r0 || =1.4.2-r0 || =1.4.2-r1 || =1.4.3-r0 || =1.5.0-r0 || =1.6.0-r0 || =1.7.0-r0 || =1.7.0-r1 || =1.7.0-r2 || =1.8.0-r0 || =1.8.0-r1 || =1.8.0-r2 || =1.8.0-r3 || =1.8.0-r4 || =1.8.1-r0 || =1.8.2-r0 || =1.8.2-r1 || >=0 <1.9.0-r0 | 1.9.0-r0 |
alpine v3.19 | | =1.2.8-r0 || =1.2.9-r0 || =1.3.0-r0 || =1.4.0-r0 || =1.4.1-r0 || =1.4.2-r0 || =1.4.2-r1 || =1.4.3-r0 || =1.5.0-r0 || =1.6.0-r0 || =1.7.0-r0 || =1.7.0-r1 || =1.7.0-r2 || =1.8.0-r0 || =1.8.0-r1 || =1.8.0-r2 || =1.8.0-r3 || =1.8.0-r4 || =1.8.1-r0 || =1.8.2-r0 || =1.8.2-r1 || >=0 <1.9.0-r0 | 1.9.0-r0 |
alpine v3.17 | | =1.2.8-r0 || =1.2.9-r0 || =1.3.0-r0 || =1.4.0-r0 || =1.4.1-r0 || =1.4.2-r0 || =1.4.2-r1 || =1.4.3-r0 || =1.5.0-r0 || =1.6.0-r0 || =1.7.0-r0 || =1.7.0-r1 || =1.7.0-r2 || =1.8.0-r0 || =1.8.0-r1 || =1.8.0-r2 || =1.8.0-r3 || =1.8.0-r4 || =1.8.1-r0 || =1.8.2-r0 || =1.8.2-r1 || >=0 <1.9.0-r0 | 1.9.0-r0 |
 debian 13 | | | 1.9.0-1 |
alpine v3.10 | | =1.2.8-r0 || =1.2.9-r0 || =1.3.0-r0 || =1.4.0-r0 || =1.4.1-r0 || =1.4.2-r0 || =1.4.2-r1 || =1.4.3-r0 || =1.5.0-r0 || =1.6.0-r0 || =1.7.0-r0 || =1.7.0-r1 || =1.7.0-r2 || =1.8.0-r0 || =1.8.0-r1 || =1.8.0-r2 || =1.8.0-r3 || =1.8.0-r4 || =1.8.1-r0 || =1.8.2-r0 || =1.8.2-r1 || >=0 <1.9.0-r0 | 1.9.0-r0 |
debian 12 | | | 1.9.0-1 |
alpine v3.13 | | =1.2.8-r0 || =1.2.9-r0 || =1.3.0-r0 || =1.4.0-r0 || =1.4.1-r0 || =1.4.2-r0 || =1.4.2-r1 || =1.4.3-r0 || =1.5.0-r0 || =1.6.0-r0 || =1.7.0-r0 || =1.7.0-r1 || =1.7.0-r2 || =1.8.0-r0 || =1.8.0-r1 || =1.8.0-r2 || =1.8.0-r3 || =1.8.0-r4 || =1.8.1-r0 || =1.8.2-r0 || =1.8.2-r1 || >=0 <1.9.0-r0 | 1.9.0-r0 |
alpine v3.14 | | =1.2.8-r0 || =1.2.9-r0 || =1.3.0-r0 || =1.4.0-r0 || =1.4.1-r0 || =1.4.2-r0 || =1.4.2-r1 || =1.4.3-r0 || =1.5.0-r0 || =1.6.0-r0 || =1.7.0-r0 || =1.7.0-r1 || =1.7.0-r2 || =1.8.0-r0 || =1.8.0-r1 || =1.8.0-r2 || =1.8.0-r3 || =1.8.0-r4 || =1.8.1-r0 || =1.8.2-r0 || =1.8.2-r1 || >=0 <1.9.0-r0 | 1.9.0-r0 |
alpine v3.16 | | =1.2.8-r0 || =1.2.9-r0 || =1.3.0-r0 || =1.4.0-r0 || =1.4.1-r0 || =1.4.2-r0 || =1.4.2-r1 || =1.4.3-r0 || =1.5.0-r0 || =1.6.0-r0 || =1.7.0-r0 || =1.7.0-r1 || =1.7.0-r2 || =1.8.0-r0 || =1.8.0-r1 || =1.8.0-r2 || =1.8.0-r3 || =1.8.0-r4 || =1.8.1-r0 || =1.8.2-r0 || =1.8.2-r1 || >=0 <1.9.0-r0 | 1.9.0-r0 |
alpine v3.18 | | =1.2.8-r0 || =1.2.9-r0 || =1.3.0-r0 || =1.4.0-r0 || =1.4.1-r0 || =1.4.2-r0 || =1.4.2-r1 || =1.4.3-r0 || =1.5.0-r0 || =1.6.0-r0 || =1.7.0-r0 || =1.7.0-r1 || =1.7.0-r2 || =1.8.0-r0 || =1.8.0-r1 || =1.8.0-r2 || =1.8.0-r3 || =1.8.0-r4 || =1.8.1-r0 || =1.8.2-r0 || =1.8.2-r1 || >=0 <1.9.0-r0 | 1.9.0-r0 |
