CVE-2007-1794: The Javascript engine in Mozilla 1.7 and earlier on Sun Solaris 8, 9, and 10 might allow remote attackers to e

Q: How do I fix CVE-2007-1794?

mozilla: upgrade to newer than 1.7. Exact commands for each OS are on this page.

Q: Is CVE-2007-1794 being exploited?

CVE-2007-1794 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-2007-1794 affect?

CVE-2007-1794 affects mozilla. Severity is high (CVSS 10.0). The Javascript engine in Mozilla 1.7 and earlier on Sun Solaris 8, 9, and 10 might allow remote attackers to execute arbitrary code via vectors involving garbage collection that causes deletion of a temporary object that is still being used

Q: How urgent is CVE-2007-1794?

Priority 58/100. Critical severity; EPSS top 9%: very likely to be exploited

This month

HIGH 10.0UPGRADE

CVE-2007-1794 is a high-severity flaw (CVSS 10.0) affecting mozilla. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Javascript engine in Mozilla 1.7 and earlier on Sun Solaris 8, 9, and 10 might allow remote attackers to execute arbitrary code via vectors involving garbage collection that causes deletion of a temporary object that is still being used. NOTE: this issue might be related to CVE-2006-3805.

Why this priority

Critical severity
EPSS top 9%: very likely to be exploited

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	4.4% (top 9%)
CISA exploited list	No
Published	2007-04-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mozilla

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

Am I affected?

Timeline

2007-04-02 22:19 UTCPublished CVE record published
2026-06-16 22:38 UTCUpdated Record last modified

mozilla mozilla UPGRADE

Affected: <= 1.7

Fixed in: newer than 1.7

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.7 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mozilla

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-2007-1794?

mozilla: upgrade to newer than 1.7. Exact commands for each OS are on this page.

Is CVE-2007-1794 being exploited?

CVE-2007-1794 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-2007-1794 affect?

CVE-2007-1794 affects mozilla. Severity is high (CVSS 10.0). The Javascript engine in Mozilla 1.7 and earlier on Sun Solaris 8, 9, and 10 might allow remote attackers to execute arbitrary code via vectors involving garbage collection that causes deletion of a temporary object that is still being used

How urgent is CVE-2007-1794?

Priority 58/100. Critical severity; EPSS top 9%: very likely to be exploited

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CVE-2009-3010 MEDIUM 4.3 UPGRADE UPGRADE Mozilla Firefox 3.0.13 and earlier, 3.5, 3.6 a1 pre, and 3.7 a1 pre; SeaMonkey 1.1.17; and Mozilla 1.7.x and e
CVE-2007-4039 CRITICAL 9.8 MITIGATE Argument injection vulnerability involving Mozilla, when certain URIs are registered, allows remote attackers
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References

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