CVE-2007-6762

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-04-21. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

In the Linux kernel before 2.6.20, there is an off-by-one bug in net/netlabel/netlabel_cipso_v4.c where it is possible to overflow the doi_def->tags[] array.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
85.7%
KEV
Not listed

Published

July 27, 2019

Last Modified

November 21, 2024

Advisory Details (4)

Auto-updated May 27, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

myF5

https://support.f5.com/csp/article/K05342145?utm_source=f5support&amp%3Butm_medium=RSS
generic

myF5

https://support.f5.com/csp/article/K05342145
github_commit

commit 2a2f11c227bd (torvalds/linux)

Fix landed in torvalds/linux commit 2a2f11c227bd — awaiting tagged release

https://github.com/torvalds/linux/commit/2a2f11c227bdf292b3a2900ad04139d301b56ac4
generic

NetLabel: correct CIPSO tag handling when adding new DOI definitions - kernel/git/torvalds/linux.git - Linux kernel source tree

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2a2f11c227bdf292b3a2900ad04139d301b56ac4

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 4× in last 7d / 39× 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.

  1. 2026-07-11 08:22 UTCEPSS rescore
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  1. 2026-06-21 01:56 UTCEPSS rescore
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  40. 2026-05-27 16:48 UTCEG score recompute
  41. 2026-05-27 16:48 UTCGHSA enrichment
  42. 2026-05-27 13:38 UTCEPSS rescore
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  47. 2026-05-26 07:16 UTCEPSS rescore
  48. 2026-05-26 07:16 UTCEPSS rescore
  49. 2026-05-24 16:42 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2007-6762?
CVE-2007-6762 is a critical vulnerability published on July 27, 2019. In the Linux kernel before 2.6.20, there is an off-by-one bug in net/netlabel/netlabelcipsov4.c where it is possible to overflow the doi_def->tags[] array.
When was CVE-2007-6762 disclosed?
CVE-2007-6762 was first published in the National Vulnerability Database on July 27, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2007-6762 actively exploited?
CVE-2007-6762 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 85.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2007-6762?
CVE-2007-6762 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2007-6762?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2007-6762, 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.

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