CVE-2012-2647: Yahoo! Toolbar 1.0.0.5 and earlier for Chrome and Safari allows remote attackers to modify the configured sear

Q: How do I fix CVE-2012-2647?

toolbar: upgrade to newer than 1.0.0.5. Exact commands for each OS are on this page.

Q: Is CVE-2012-2647 being exploited?

CVE-2012-2647 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2012-2647 affect?

CVE-2012-2647 affects toolbar. Severity is medium (CVSS 5.8). Yahoo! Toolbar 1.0.0.5 and earlier for Chrome and Safari allows remote attackers to modify the configured search URL, and intercept search terms, via a crafted web page.

Q: How urgent is CVE-2012-2647?

Priority 38/100. No elevated risk signals yet.

Routine

MEDIUM 5.8UPGRADE

CVE-2012-2647 is a medium-severity flaw (CVSS 5.8) affecting toolbar. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Yahoo! Toolbar 1.0.0.5 and earlier for Chrome and Safari allows remote attackers to modify the configured search URL, and intercept search terms, via a crafted web page.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.8 (Medium)
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Weakness	CWE-200
Published	2012-07-31
Last modified	2026-06-16

Publisher (CNA): JPCERT/CC · Vendor: yahoo

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2012-07-31 10:45 UTCPublished CVE record published
2026-06-16 23:41 UTCUpdated Record last modified

yahoo toolbar UPGRADE

Affected: <= 1.0.0.5

Fixed in: newer than 1.0.0.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy toolbar || rpm -q toolbar || toolbar --version

2. UPGRADE to newer than 1.0.0.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade toolbar

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade toolbar

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
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-2012-2647?

toolbar: upgrade to newer than 1.0.0.5. Exact commands for each OS are on this page.

Is CVE-2012-2647 being exploited?

CVE-2012-2647 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-2012-2647 affect?

CVE-2012-2647 affects toolbar. Severity is medium (CVSS 5.8). Yahoo! Toolbar 1.0.0.5 and earlier for Chrome and Safari allows remote attackers to modify the configured search URL, and intercept search terms, via a crafted web page.

How urgent is CVE-2012-2647?

Priority 38/100. No elevated risk signals yet.

Software pages

Safari vulnerabilities · Google Chrome vulnerabilities · Apple Safari and WebKit vulnerabilities

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References

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