PatchTheCVECVE-2012-0214: The pkgAcqMetaClearSig::Failed method in apt-pkg/acquire-item.cc in Advanced Package Tool (APT) 0.8.11 through
CVE-2012-0214 is a medium-severity flaw (CVSS 4.3) affecting advanced package tool. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The pkgAcqMetaClearSig::Failed method in apt-pkg/acquire-item.cc in Advanced Package Tool (APT) 0.8.11 through 0.8.15.10 and 0.8.16 before 0.8.16~exp13, when updating from repositories that use InRelease files, allows man-in-the-middle attackers to install arbitrary packages by preventing a user from downloading the new InRelease file, which leaves the original InRelease file active and makes it more difficult to detect that the Packages file is
Why this priority
- On your watchlist
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 4.3 (Medium) |
| EPSS exploit chance | 1.3% (top 29%) |
| CISA exploited list | No |
| Weakness | CWE-264 |
| Published | 2014-04-15 |
| Last modified | 2026-06-16 |
Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2012-0214?
advanced package tool: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2012-0214 being exploited?
CVE-2012-0214 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2012-0214 affect?
CVE-2012-0214 affects advanced package tool. Severity is medium (CVSS 4.3). The pkgAcqMetaClearSig::Failed method in apt-pkg/acquire-item.cc in Advanced Package Tool (APT) 0.8.11 through 0.8.15.10 and 0.8.16 before 0.8.16~exp13, when updating from repositories that use InRelease files, allows man-in-the-middle atta
How urgent is CVE-2012-0214?
Priority 38/100. On your watchlist
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