CVE-2016-3630

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-04-13 · updated 2026-06-17
Weakness: CWE-19

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.

Affected products

Debian Linux: 7.0, 8.0
Fedoraproject Fedora: 22, 23
mercurial: through 3.7.2
openSUSE Leap: 42.1
Opensuse: 13.2
SUSE Linux Enterprise Debuginfo: 11-sp4
SUSE Linux Enterprise Software Development Kit: 11-sp4, 12, 12-sp1

References

http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181505.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181542.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00016.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00017.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00018.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00043.html
http://www.debian.org/security/2016/dsa-3542
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
https://security.gentoo.org/glsa/201612-19
https://selenic.com/repo/hg-stable/rev/b6ed2505d6cf
https://selenic.com/repo/hg-stable/rev/b9714d958e89
https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_3.7.3_.282016-3-29.29

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