Xterm vulnerabilitiesRanked by how likely they are to be used.

Product171 versions
The short answer

Xterm is made by Invisible-Island. We track 6 published vulnerabilities in it, across 171 versions. None of them is on the list of flaws known to be exploited today. If you run Xterm, keep it on a version the vendor still supports.

See the riskiest flaws

We keep watching the known-exploited list.

Known exploited

Which Xterm vulnerabilities are being exploited?

This is the list that matters most: flaws criminals are using now.

None of Xterm's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which Xterm flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 7.8%

    xterm before Patch #366 allows remote attackers to execute arbitrary code or cause a denial of service (segmentation fault) via a crafted UTF-8 combining character sequence.

    CVSS9.8Published10 Feb 2021
  2. 7.5%

    The default configuration of xterm on Debian GNU/Linux sid and possibly Ubuntu enables the allowWindowOps resource, which allows user-assisted attackers to execute arbitrary code or have unspecified other impact via...

    CVSS9.3Published2 Jan 2009
  3. 5.4%

    xterm before 375 allows code execution via font ops, e.g., because an OSC 50 response may have Ctrl-g and therefore lead to command execution within the vi line-editing mode of Zsh.

    CVSS9.8Published10 Nov 2022
  4. 4.9%

    CRLF injection vulnerability in xterm allows user-assisted attackers to execute arbitrary commands via LF (aka \n) characters surrounding a command name within a Device Control Request Status String (DECRQSS) escape...

    CVSS9.3Published2 Jan 2009
  5. 1.7%

    xterm through Patch 370, when Sixel support is enabled, allows attackers to trigger a buffer overflow in set_sixel in graphics_sixel.c via crafted text.

    CVSS5.5Published31 Jan 2022
  6. 0.9%

    xterm before 380 supports ReGIS reporting for character-set names even if they have unexpected characters (i.e., neither alphanumeric nor underscore), aka a pointer/overflow issue.

    CVSS9.8Published14 Aug 2023
Precursor Intelligence

Running Xterm? We'll keep checking.

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FAQ

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We track 6 published vulnerabilities listed under the name Xterm, across 171 versions.

None of Xterm's vulnerabilities is on the list of flaws known to be exploited today.

Create a Precursor Intelligence account and track Xterm. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.