CVE-2016-3630

mercurial: remote code execution in binary delta decoding

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Severity

Important

Red Hat Product Security

6.8

CVSS 2.0

Review impact separately from score.

Published · March 29, 2016

Updated · November 21, 2025

Description

The binary delta decoder in Mercurial before 3.7.3 allows remote attackers to execute arbitrary code via a (1) clone, (2) push, or (3) pull command, related to (a) a list sizing rounding error and (b) short records.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 6.8
AV:N/AC:M/Au:N/C:P/I:P/A:P

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer