CVE-2012-0809

NONECVSS 0.0Trending — 3 sources updated this weekWeaponized

0.0

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)
EPSS: 97.6%
KEV: Not listed

Published

February 1, 2012

Last Modified

April 29, 2026

References (8)

secalert@redhathttp://archives.neohapsis.com/archives/fulldisclosure/2012-01/0591.html
secalert@redhathttp://archives.neohapsis.com/archives/fulldisclosure/2012-01/att-0591/advisory_sudo.txt
secalert@redhathttp://security.gentoo.org/glsa/glsa-201203-06.xml
secalert@redhathttp://www.sudo.ws/sudo/alerts/sudo_debug.html
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/fulldisclosure/2012-01/0591.html
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/fulldisclosure/2012-01/att-0591/advisory_sudo.txt
af854a3a-2127-422b-91ae-364da2661108http://security.gentoo.org/glsa/glsa-201203-06.xml
af854a3a-2127-422b-91ae-364da2661108http://www.sudo.ws/sudo/alerts/sudo_debug.html

Weakness Classification(1)

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

CWE-134Use of Externally-Controlled Format String

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-29 05:37 UTCEG score recompute
2026-05-29 05:36 UTCGHSA enrichment
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:43 UTCepss_batch
2026-05-23 16:35 UTCOSV refresh
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch

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 ↗

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 97.6% 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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CVE-2012-0809

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2012-0809?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (8)

Frequently asked(4)

Related CVEs(same CWE)