CVE-2016-0777

medium

Published 2016-01-14 · Modified 2026-05-29

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

6.5

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v4 NEW

—

not yet in upstream

VIR risk

6.5

Description

The resend_bytes function in roaming_common.c in the client in OpenSSH 5.x, 6.x, and 7.x before 7.1p2 allows remote servers to obtain sensitive information from process memory by requesting transmission of an entire buffer, as demonstrated by reading a private key.

Predictions

Exploit likelihood

75%

Patch ETA

—

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 — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → 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

macOS Affected 1 release

Version	Status	Fixed in
—	Affected	—

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`1:7.1p2-1`
sid	Fixed	`1:7.1p2-1`
forky	Fixed	`1:7.1p2-1`
bullseye	Fixed	`1:7.1p2-1`
bookworm	Fixed	`1:7.1p2-1`

Application impact

Vendor	Product	Versions
sophos	unified_threat_management_software	`9.318`
sophos	unified_threat_management_software	`9.353`
openbsd	openssh	`5.0`
openbsd	openssh	`5.1`
openbsd	openssh	`5.2`
openbsd	openssh	`5.3`
openbsd	openssh	`5.4`
openbsd	openssh	`5.5`
openbsd	openssh	`5.6`
openbsd	openssh	`5.7`
openbsd	openssh	`5.8`
openbsd	openssh	`5.9`
openbsd	openssh	`6.0`
openbsd	openssh	`6.1`
openbsd	openssh	`6.2`
openbsd	openssh	`6.3`
openbsd	openssh	`6.4`
openbsd	openssh	`6.5`
openbsd	openssh	`6.6`
openbsd	openssh	`6.7`
openbsd	openssh	`6.8`
openbsd	openssh	`6.9`
openbsd	openssh	`7.0`
openbsd	openssh	`7.1`
hp	remote_device_access_virtual_customer_access_system	`{"endIncluding":"15.07"}`
sophos	unified_threat_management	`110`
sophos	unified_threat_management	`120`
sophos	unified_threat_management	`220`
sophos	unified_threat_management	`320`
sophos	unified_threat_management	`425`
sophos	unified_threat_management	`525`
sophos	unified_threat_management	`625`

References

CWEs

CWE-200

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

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