CVE-2023-45920: xfig · n/a
Affects xfigSource CVE Database V5
Not known to be exploited · CVSS 4.2 Medium.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 13% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 27 Mar 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Debiandebian/xfigpkg:deb/debian/xfigOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
To mitigate CVE-2023-45920, European organizations should first identify and inventory systems running Xfig 3.2.8 or similar vulnerable versions. Restrict access to these systems to trusted, high-privileged users only, minimizing the risk of accidental or malicious triggering of the vulnerability. Implement strict user privilege management and monitor for unusual application crashes or system logs indicating NULL pointer dereferences. Since no official patches are available, consider recompiling Xfig from source with additional null pointer checks or applying community patches if available. Alternatively, evaluate replacing Xfig with more modern and actively maintained diagramming tools that do not rely on the X Window System or have better security posture. Regularly update and harden the underlying X server and window manager components to reduce anomalous behaviors that might trigger this vulnerability. Finally, educate users about the risks of running legacy graphical applications with elevated privileges and encourage minimal use of such tools in critical environments.
Description
Xfig v3.2.8 was discovered to contain a NULL pointer dereference when calling XGetWMHints(). NOTE: this is disputed because it is not expected that an X application should continue to run when there is arbitrary anomalous behavior from the X server or window manager.