CVE-2005-0473: The HTML parsing functions in Gaim before 1.1.3 allow remote attackers to cause a denial of service (applicati

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MEDIUM 5.0WATCHLISTDOWNGRADEMITIGATEMITIGATE

CVE-2005-0473 is a medium-severity flaw (CVSS 5.0) affecting gaim, mandrake linux, mandrake linux corporate server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The HTML parsing functions in Gaim before 1.1.3 allow remote attackers to cause a denial of service (application crash) via malformed HTML that causes "an invalid memory access," a different vulnerability than CVE-2005-0208.

Why this priority

On your watchlist

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	3.5% (top 11%)
CISA exploited list	No
Published	2005-03-14
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: mandrakesoft · redhat · rob flynn

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

Am I affected?

Timeline

2005-03-14 05:00 UTCPublished CVE record published
2026-06-16 22:11 UTCUpdated Record last modified

rob flynn gaim DOWNGRADE

Affected: 1.0 · 1.0.1 · 1.1.1 · 1.1.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison gaim sudo apt install gaim=<VERSION_BEFORE_1.0> sudo apt-mark hold gaim

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

dnf --showduplicates list gaim sudo dnf downgrade gaim-<VERSION_BEFORE_1.0> sudo dnf versionlock add gaim

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.

mandrakesoft mandrake linux MITIGATE

Affected: 10.0 · 10.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 10.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

mandrakesoft mandrake linux corporate server MITIGATE

Affected: 3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

redhat enterprise linux MITIGATE

Affected: 4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

redhat enterprise linux desktop MITIGATE

Affected: 4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2005-0473?

gaim: downgrade or apply the listed mitigation; mandrake linux: mitigate or apply the listed mitigation; mandrake linux corporate server: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-0473 being exploited?

CVE-2005-0473 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-2005-0473 affect?

CVE-2005-0473 affects gaim, mandrake linux, mandrake linux corporate server. Severity is medium (CVSS 5.0). The HTML parsing functions in Gaim before 1.1.3 allow remote attackers to cause a denial of service (application crash) via malformed HTML that causes "an invalid memory access," a different vulnerability than CVE-2005-0208.

How urgent is CVE-2005-0473?

Priority 45/100. On your watchlist

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CVE-2005-2102 MEDIUM 5.0 DOWNGRADE The AIM/ICQ module in Gaim before 1.5.0 allows remote attackers to cause a denial of service (application cras
CVE-2005-1934 MEDIUM 5.0 UPGRADE Gaim before 1.3.1 allows remote attackers to cause a denial of service (crash) via a malformed MSN message tha
CVE-2005-1269 MEDIUM 5.0 DOWNGRADE Gaim before 1.3.1 allows remote attackers to cause a denial of service (application crash) via a Yahoo! messag

References

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