CVE-2015-1782

medium
Published 2015-03-13 ยท Modified 2026-05-06
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
6.8

Description

The kex_agree_methods function in libssh2 before 1.5.0 allows remote servers to cause a denial of service (crash) or have other unspecified impact via crafted length values in an SSH_MSG_KEXINIT packet.

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

fedora Fedora Affected 3 releases
VersionStatusFixed in
22 Affected โ€”
21 Affected โ€”
20 Affected โ€”
debian Debian Mixed 6 releases
VersionStatusFixed in
trixie Fixed 1.4.3-4.1
sid Fixed 1.4.3-4.1
forky Fixed 1.4.3-4.1
bullseye Fixed 1.4.3-4.1
bookworm Fixed 1.4.3-4.1
7.0 Affected โ€”

Application impact

VendorProductVersionsFixed
libssh2libssh2{"endIncluding":"1.4.3"}

References

CWEs

CWE-20

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.