2.2
Low
CVE-2026-18839 An integer underflow was found in the popt library when formatting help text for option tables that exceed the…
Description
An integer underflow was found in the popt library when formatting help text for option tables that exceed the terminal width. A local user who can cause an application to print help under those conditions may cause that application to crash or fail to display help, resulting in a denial of service of the affected application.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 10 | Versions not published | |
| Red Hat Enterprise Linux 6 | Versions not published | |
| Red Hat Enterprise Linux 7 | Versions not published | |
| Red Hat Enterprise Linux 8 | Versions not published | |
| Red Hat Enterprise Linux 9 | Versions not published | |
| Red Hat Hardened Images 1.19 | earliest → < 1.19-11.2.hum1 | 1.19-11.2.hum1 |
| Red Hat OpenShift Container Platform 4 | Versions not published | |
| popt 1.13 | 1.13 → latest | No fix stated |
References
- RHSA-2026:77932 access.redhat.com
- access.redhat.com access.redhat.com
- RHBZ#2511010 bugzilla.redhat.com
Timeline
- Published
- Last modified
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