CVE-2012-0809

NONECVSS 0.0Trending — 3 sources updated this weekWeaponized
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 3%CVSS: —Exploit: NoneExposed: 0

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

Format string vulnerability in the sudo_debug function in Sudo 1.8.0 through 1.8.3p1 allows local users to execute arbitrary code via format string sequences in the program name for sudo.

CVSS v3
—
EG Score
0.0(none)
EG Risk
—
EPSS
85.9%
KEV
Not listed

Published

February 1, 2012

Last Modified

April 29, 2026

References (8)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× 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. 2026-07-22 21:49 UTCEG score recompute
  2. 2026-07-22 21:24 UTCOSV refresh
  3. 2026-07-22 14:04 UTCEPSS rescore
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  23. 2026-07-05 16:59 UTCOSV refresh
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  1. 2026-07-02 14:01 UTCEPSS rescore
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  25. 2026-06-17 04:05 UTCOSV refresh
  26. 2026-06-16 17:49 UTCEPSS rescore
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  50. 2026-05-31 00:14 UTCEPSS rescore
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  52. 2026-05-29 13:41 UTCEPSS rescore
  53. 2026-05-29 05:37 UTCEG score recompute
  54. 2026-05-29 05:36 UTCGHSA enrichment
  55. 2026-05-28 13:42 UTCEPSS rescore
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  62. 2026-05-24 16:43 UTCEPSS rescore
  63. 2026-05-23 16:35 UTCOSV refresh
  64. 2026-05-22 21:15 UTCEPSS rescore
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Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-25134✓ verified
    First seen May 1, 2013

    sudo 1.8.0 < 1.8.3p1 - 'sudo_debug' glibc FORTIFY_SOURCE Bypass + Privilege Escalation

    Open source ↗
  • Exploit-DBEDB-18436✓ verified
    First seen Jan 31, 2012

    sudo 1.8.0 < 1.8.3p1 - Format String

    Open source ↗

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2012-0809?
CVE-2012-0809 is a none vulnerability published on February 1, 2012. Format string vulnerability in the sudo_debug function in Sudo 1.8.0 through 1.8.3p1 allows local users to execute arbitrary code via format string sequences in the program name for sudo.
When was CVE-2012-0809 disclosed?
CVE-2012-0809 was first published in the National Vulnerability Database on February 1, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2012-0809 actively exploited?
CVE-2012-0809 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 85.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2012-0809?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-0809, 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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