CVE-2002-1126: Mozilla 1.1 and earlier, and Mozilla-based browsers such as Netscape and Galeon, set the document referrer too

Routine

LOW 2.6DOWNGRADEDOWNGRADE

CVE-2002-1126 is a low-severity flaw (CVSS 2.6) affecting galeon browser, mozilla. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Mozilla 1.1 and earlier, and Mozilla-based browsers such as Netscape and Galeon, set the document referrer too quickly in certain situations when a new page is being loaded, which allows web pages to determine the next page that is being visited, including manually entered URLs, using the onunload handler.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	2.6 (Low)
EPSS exploit chance	1.5% (top 25%)
CISA exploited list	No
Published	2002-09-24
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: galeon · mozilla

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

Am I affected?

Timeline

2002-09-24 04:00 UTCPublished CVE record published
2026-06-16 21:58 UTCUpdated Record last modified

galeon galeon browser DOWNGRADE

Affected: 1.2.4 · 1.2.5 · 1.2.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2.4

1. Check installed version

apt-cache policy galeon-browser || rpm -q galeon-browser || galeon-browser --version

2. No fixed release: DOWNGRADE to a release before 1.2.4 (Debian / Ubuntu)

apt-cache madison galeon-browser sudo apt install galeon-browser=<VERSION_BEFORE_1.2.4> sudo apt-mark hold galeon-browser

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list galeon-browser sudo dnf downgrade galeon-browser-<VERSION_BEFORE_1.2.4> sudo dnf versionlock add galeon-browser

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

mozilla mozilla DOWNGRADE

Affected: 0.9.3 · 0.9.4 · 0.9.5 · 0.9.6 · 0.9.7 · 0.9.8 · 0.9.9 · 1.0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.9.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.9.3 (Debian / Ubuntu)

apt-cache madison mozilla sudo apt install mozilla=<VERSION_BEFORE_0.9.3> sudo apt-mark hold mozilla

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list mozilla sudo dnf downgrade mozilla-<VERSION_BEFORE_0.9.3> sudo dnf versionlock add mozilla

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2002-1126?

galeon browser: downgrade or apply the listed mitigation; mozilla: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2002-1126 being exploited?

CVE-2002-1126 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-2002-1126 affect?

CVE-2002-1126 affects galeon browser, mozilla. Severity is low (CVSS 2.6). Mozilla 1.1 and earlier, and Mozilla-based browsers such as Netscape and Galeon, set the document referrer too quickly in certain situations when a new page is being loaded, which allows web pages to determine the next page that is being vi

How urgent is CVE-2002-1126?

Priority 33/100. Public exploit reference

Related CVEs

CVE-2007-3145 MEDIUM 5.8 DOWNGRADE Visual truncation vulnerability in Galeon 2.0.1 allows remote attackers to spoof the address bar and possibly
CVE-2002-0594 MEDIUM 5.0 DOWNGRADE DOWNGRADE Netscape 6 and Mozilla 1.0 RC1 and earlier allows remote attackers to determine the existence of files on the

References

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