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CVE-2008-5401: Stack-based buffer overflow in the image tooltip implementation in Trillian before 3.1.12.0 allows remote atta

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HIGH 10.0UPGRADEDOWNGRADEDOWNGRADE

CVE-2008-5401 is a high-severity flaw (CVSS 10.0) affecting trillian, trillian pro, trillian. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in the image tooltip implementation in Trillian before 3.1.12.0 allows remote attackers to execute arbitrary code via a long image filename, related to "AIM IMG Tag Parsing."

Why this priority

  • Critical severity
  • EPSS top 5%: very likely to be exploited

A fixed release or distro patch exists.

Risk facts

CVSS score10.0 (High)
EPSS exploit chance7.9% (top 5%)
CISA exploited listNo
WeaknessCWE-119
Published2008-12-10
Last modified2026-06-16
Publisher (CNA): MITRE · Vendor: cerulean studios · ceruleanstudios

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

Am I affected?

Timeline

cerulean studios trillian UPGRADE
Affected: <= 3.1.11.0 · 0.50 · 0.52 · 0.60 · 0.61 · 0.62 · 0.63 · 0.70
Fixed in: newer than 3.1.11.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy trillian || rpm -q trillian || trillian --version
2. UPGRADE to newer than 3.1.11.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade trillian
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade trillian
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
cerulean studios trillian pro DOWNGRADE
Affected: all versions · 1.0 · 2.0 · 2.01 · 3.0 · 3.1.5.0 · 3.1_build_121
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.0
1. Check installed version
apt-cache policy trillian-pro || rpm -q trillian-pro || trillian-pro --version
2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)
apt-cache madison trillian-pro sudo apt install trillian-pro=<VERSION_BEFORE_1.0> sudo apt-mark hold trillian-pro
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list trillian-pro sudo dnf downgrade trillian-pro-<VERSION_BEFORE_1.0> sudo dnf versionlock add trillian-pro
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.
ceruleanstudios trillian DOWNGRADE
Affected: all versions · 3.1.0.9 · 3.1.9.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 3.1.0.9
1. Check installed version
apt-cache policy trillian || rpm -q trillian || trillian --version
2. No fixed release: DOWNGRADE to a release before 3.1.0.9 (Debian / Ubuntu)
apt-cache madison trillian sudo apt install trillian=<VERSION_BEFORE_3.1.0.9> sudo apt-mark hold trillian
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list trillian sudo dnf downgrade trillian-<VERSION_BEFORE_3.1.0.9> sudo dnf versionlock add trillian
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.
ceruleanstudios trillian pro DOWNGRADE
Affected: all versions · 3.1.9.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 3.1.9.0
1. Check installed version
apt-cache policy trillian-pro || rpm -q trillian-pro || trillian-pro --version
2. No fixed release: DOWNGRADE to a release before 3.1.9.0 (Debian / Ubuntu)
apt-cache madison trillian-pro sudo apt install trillian-pro=<VERSION_BEFORE_3.1.9.0> sudo apt-mark hold trillian-pro
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list trillian-pro sudo dnf downgrade trillian-pro-<VERSION_BEFORE_3.1.9.0> sudo dnf versionlock add trillian-pro
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-2008-5401?

trillian: upgrade to newer than 3.1.11.0; trillian pro: downgrade or apply the listed mitigation; trillian: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2008-5401 being exploited?

CVE-2008-5401 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-2008-5401 affect?

CVE-2008-5401 affects trillian, trillian pro, trillian. Severity is high (CVSS 10.0). Stack-based buffer overflow in the image tooltip implementation in Trillian before 3.1.12.0 allows remote attackers to execute arbitrary code via a long image filename, related to "AIM IMG Tag Parsing."

How urgent is CVE-2008-5401?

Priority 59/100. Critical severity; EPSS top 5%: very likely to be exploited

Related CVEs

References

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