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CVE-2016-3630
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)…
High8.8EPSS 4.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Timeline
ID reserved
By mitre
- 23 days later
· 23 days later
Published
- 8 years later
· 8 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 4.9% · top 7.9% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPImercurialGHSA-9vjf-jjcq-3gh7 (opens in a new tab)
References (12)
- FEDORA-2016-79604dde9f (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- GLSA-201612-19 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- DSA-3542 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://selenic.com/repo/hg-stable/rev/b9714d958e89 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://selenic.com/repo/hg-stable/rev/b6ed2505d6cf (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2016:1016 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_3.7.3_.282016-3-29.29 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2016:1011 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:1010 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- FEDORA-2016-b7f1f8e3bf (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- openSUSE-SU-2016:1073 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-9vjf-jjcq-3gh7 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2016-3630)Record last updated .