CVE-2016-2074

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-14. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 6%CVSS: 9.8Exploit: None knownExposed: 0

A fix is available — apply it.

Buffer overflow in lib/flow.c in ovs-vswitchd in Open vSwitch 2.2.x and 2.3.x before 2.3.3 and 2.4.x before 2.4.1 allows remote attackers to execute arbitrary code via crafted MPLS packets, as demonstrated by a long string in an ovs-appctl command.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
51(Track)
EG Risk 51/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation6% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
6%
EPSS %ILE
93%
KEV
Not listed

Published

July 3, 2016

Last Modified

June 17, 2026

Advisory Details (8)

Auto-updated Sep 23, 2026
Patch available. Sources: redhat.
generic

CVE-2016-2074

https://security-tracker.debian.org/tracker/CVE-2016-2074
redhat Patch Available

1318553 – (CVE-2016-2074) CVE-2016-2074 openvswitch: MPLS buffer overflow vulnerability

https://bugzilla.redhat.com/show_bug.cgi?id=1318553
redhat Patch Available
https://access.redhat.com/errata/RHSA-2016:0615
generic

CVE-2016-2074 - PSIRT.COM

http://www.securityfocus.com/bid/85700
generic

[SECURITY] [DSA 3533-1] openvswitch security update

http://www.debian.org/security/2016/dsa-3533
generic
http://rhn.redhat.com/errata/RHSA-2016-0537.html
generic
http://rhn.redhat.com/errata/RHSA-2016-0524.html
generic
http://rhn.redhat.com/errata/RHSA-2016-0523.html

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatopenvswitch-0:2.4.0-2.el7_22016-04-11redhat
redhatopenvswitch-dpdk-0:2.4.0-0.10346.git97bab959.3.el7_22016-03-30redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(5 across 5 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
openvswitch—2.3.0+git20140819-4—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
openvswitch—2.3.0+git20140819-4—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
openvswitch—2.3.0+git20140819-4—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
openvswitch—2.3.0+git20140819-4—
Debian:8(1)
PackageVulnerable rangeFixed inDependents
openvswitch2.3.0+git20140819-32.3.0+git20140819-3+deb8u1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(4)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 4× in last 7d / 17× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 159 total refreshes for this CVE.

  1. 2026-09-24 13:59 UTCEPSS rescore
  2. 2026-09-23 13:41 UTCEPSS rescore
  3. 2026-09-19 15:35 UTCEPSS rescore
  4. 2026-09-18 19:22 UTCEPSS rescore
  5. 2026-09-17 19:21 UTCEPSS rescore
  6. 2026-09-15 03:05 UTCEPSS rescore
  7. 2026-09-14 17:14 UTCOSV refresh
  8. 2026-09-12 14:55 UTCEPSS rescore
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  11. 2026-09-04 13:56 UTCEPSS rescore
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  13. 2026-09-01 03:31 UTCEPSS rescore
  14. 2026-08-30 19:12 UTCEPSS rescore
  15. 2026-08-27 14:20 UTCEPSS rescore
  16. 2026-08-26 16:46 UTCOSV refresh
  17. 2026-08-26 14:41 UTCEPSS rescore
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  24. 2026-08-16 02:09 UTCEPSS rescore
  25. 2026-08-15 01:25 UTCEPSS rescore
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  1. 2026-08-12 13:46 UTCEPSS rescore
  2. 2026-08-11 13:36 UTCEPSS rescore
  3. 2026-08-10 07:09 UTCOSV refresh
  4. 2026-08-09 13:42 UTCEPSS rescore
  5. 2026-08-08 16:32 UTCEPSS rescore
  6. 2026-08-06 13:42 UTCEPSS rescore
  7. 2026-08-05 19:12 UTCEPSS rescore
  8. 2026-08-04 15:04 UTCEPSS rescore
  9. 2026-08-04 10:32 UTCEPSS rescore
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  11. 2026-08-01 04:11 UTCEPSS rescore
  12. 2026-07-30 16:23 UTCEPSS rescore
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  14. 2026-07-28 15:31 UTCEPSS rescore
  15. 2026-07-25 14:13 UTCEPSS rescore
  16. 2026-07-25 07:41 UTCOSV refresh
  17. 2026-07-23 14:14 UTCEPSS rescore
  18. 2026-07-23 01:22 UTCEG score recompute
  19. 2026-07-22 22:01 UTCEG score recompute
  20. 2026-07-22 14:04 UTCEPSS rescore
  21. 2026-07-21 15:21 UTCEPSS rescore
  22. 2026-07-21 15:21 UTCEPSS rescore
  23. 2026-07-20 17:03 UTCEPSS rescore
  24. 2026-07-19 14:27 UTCEPSS rescore
  25. 2026-07-19 02:26 UTCEPSS rescore
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  27. 2026-07-18 10:00 UTCEPSS rescore
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  29. 2026-07-16 16:59 UTCEPSS rescore
  30. 2026-07-16 16:59 UTCEPSS rescore
  31. 2026-07-15 16:54 UTCEPSS rescore
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  35. 2026-07-13 22:26 UTCEPSS rescore
  36. 2026-07-13 06:09 UTCEPSS rescore
  37. 2026-07-12 05:43 UTCEPSS rescore
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  39. 2026-07-11 08:23 UTCEPSS rescore
  40. 2026-07-09 19:05 UTCEPSS rescore
  41. 2026-07-08 15:10 UTCEPSS rescore
  42. 2026-07-08 02:05 UTCOSV refresh
  43. 2026-07-07 13:42 UTCEPSS rescore
  44. 2026-07-06 16:24 UTCEPSS rescore
  45. 2026-07-06 16:24 UTCEPSS rescore
  46. 2026-07-06 02:20 UTCEPSS rescore
  47. 2026-07-06 02:20 UTCEPSS rescore
  48. 2026-07-05 02:27 UTCEPSS rescore
  49. 2026-07-04 06:28 UTCEPSS rescore
  50. 2026-07-01 15:02 UTCEPSS rescore
  51. 2026-06-30 23:19 UTCEPSS rescore
  52. 2026-06-29 14:03 UTCEPSS rescore
  53. 2026-06-28 14:04 UTCEPSS rescore
  54. 2026-06-28 04:53 UTCEPSS rescore
  55. 2026-06-27 03:05 UTCEPSS rescore
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  57. 2026-06-25 13:47 UTCEPSS rescore
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  67. 2026-06-19 19:23 UTCEPSS rescore
  68. 2026-06-19 19:23 UTCEPSS rescore
  69. 2026-06-19 13:55 UTCOSV refresh
  70. 2026-06-18 17:50 UTCEPSS rescore
  71. 2026-06-17 17:50 UTCEPSS rescore
  72. 2026-06-17 17:50 UTCEPSS rescore
  73. 2026-06-16 17:50 UTCEPSS rescore
  74. 2026-06-16 17:50 UTCEPSS rescore
  75. 2026-06-15 17:45 UTCEPSS rescore

Related CVEs(same product + same CWE)

Frequently asked(5)

What is CVE-2016-2074?
CVE-2016-2074 is a critical vulnerability published on July 3, 2016. Buffer overflow in lib/flow.c in ovs-vswitchd in Open vSwitch 2.2.x and 2.3.x before 2.3.3 and 2.4.x before 2.4.1 allows remote attackers to execute arbitrary code via crafted MPLS packets, as demonstrated by a long string in an ovs-appctl command.
When was CVE-2016-2074 disclosed?
CVE-2016-2074 was first published in the National Vulnerability Database on July 3, 2016, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-2074 actively exploited?
CVE-2016-2074 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6% probability of exploitation in the next 30 days, which ranks it in the top 6.7% of all scored CVEs.
What is the CVSS score of CVE-2016-2074?
CVE-2016-2074 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2016-2074?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-2074, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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