CVE-2018-25253: Termite 3.4 contains a buffer overflow vulnerability in the User interface language settings field that allows

Q: How do I fix CVE-2018-25253?

termite: upgrade to newer than 3.4. Exact commands for each OS are on this page.

Q: Is CVE-2018-25253 being exploited?

CVE-2018-25253 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-2018-25253 affect?

CVE-2018-25253 affects termite. Severity is medium (CVSS 6.2). Termite 3.4 contains a buffer overflow vulnerability in the User interface language settings field that allows local attackers to cause a denial of service by supplying an excessively long string. Attackers can paste a 2000-byte payload int

Q: How urgent is CVE-2018-25253?

Priority 29/100. Public exploit reference

Routine

MEDIUM 6.2UPGRADE

CVE-2018-25253 is a medium-severity flaw (CVSS 6.2) affecting termite. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Termite 3.4 contains a buffer overflow vulnerability in the User interface language settings field that allows local attackers to cause a denial of service by supplying an excessively long string. Attackers can paste a 2000-byte payload into the Settings User interface language field to crash the application.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.2 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 93%)
CISA exploited list	No
Weakness	CWE-787
Published	2026-04-04
Last modified	2026-07-24

Publisher (CNA): VulnCheck · Vendor: compuphase

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-04 14:16 UTCPublished CVE record published
2026-07-24 22:10 UTCUpdated Record last modified

compuphase termite UPGRADE

Affected: <= 3.4

Fixed in: newer than 3.4

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 3.4 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade termite

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-2018-25253?

termite: upgrade to newer than 3.4. Exact commands for each OS are on this page.

Is CVE-2018-25253 being exploited?

CVE-2018-25253 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-2018-25253 affect?

CVE-2018-25253 affects termite. Severity is medium (CVSS 6.2). Termite 3.4 contains a buffer overflow vulnerability in the User interface language settings field that allows local attackers to cause a denial of service by supplying an excessively long string. Attackers can paste a 2000-byte payload int

How urgent is CVE-2018-25253?

Priority 29/100. Public exploit reference

References

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