CVE-2026-18743
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Popt-devel: popt-static: short realloc in poptconfigfiletostring
A flaw was found in popt. This vulnerability allows an attacker to provide specially crafted configuration content to a host, which, when loaded, can lead to a small memory corruption issue. This occurs because of an error in how the `poptConfigFileToString` function reallocates memory for buffers. Successful exploitation could result in heap metadata corruption, potentially causing the affected process to become unavailable (denial of service).
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
popt
- Vendor
- rpm-software-management
- Product
- popt
- Platforms
- Unknown
- Default status
unaffected- Package
- popt
- Package collection
- https://github.com/rpm-software-management/popt
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 1.11 | affected | semver | * | Unavailable | None listed |
Red Hat Hardened Images
- Vendor
- Red Hat
- Product
- Red Hat Hardened Images
- Platforms
- Unknown
- Default status
affected- Package
- popt-main
- Package collection
- https://catalog.redhat.com/software/containers/
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 1.19-11.1.hum1 | unaffected | rpm | * | Unavailable | None listed |
Red Hat Enterprise Linux 10
- Vendor
- Red Hat
- Product
- Red Hat Enterprise Linux 10
- Platforms
- Unknown
- Default status
affected- Package
- popt
- Package collection
- https://access.redhat.com/downloads/content/package-browser/
No explicit version tuples; consult this entry's default status.
Red Hat Enterprise Linux 6
- Vendor
- Red Hat
- Product
- Red Hat Enterprise Linux 6
- Platforms
- Unknown
- Default status
affected- Package
- popt
- Package collection
- https://access.redhat.com/downloads/content/package-browser/
No explicit version tuples; consult this entry's default status.
Red Hat Enterprise Linux 7
- Vendor
- Red Hat
- Product
- Red Hat Enterprise Linux 7
- Platforms
- Unknown
- Default status
affected- Package
- popt
- Package collection
- https://access.redhat.com/downloads/content/package-browser/
No explicit version tuples; consult this entry's default status.
Red Hat Enterprise Linux 8
- Vendor
- Red Hat
- Product
- Red Hat Enterprise Linux 8
- Platforms
- Unknown
- Default status
affected- Package
- popt
- Package collection
- https://access.redhat.com/downloads/content/package-browser/
No explicit version tuples; consult this entry's default status.
Red Hat Enterprise Linux 9
- Vendor
- Red Hat
- Product
- Red Hat Enterprise Linux 9
- Platforms
- Unknown
- Default status
affected- Package
- popt
- Package collection
- https://access.redhat.com/downloads/content/package-browser/
No explicit version tuples; consult this entry's default status.
Red Hat OpenShift Container Platform 4
- Vendor
- Red Hat
- Product
- Red Hat OpenShift Container Platform 4
- Platforms
- Unknown
- Default status
affected- Package
- openshift/ose-rhel-coreos-8
- Package collection
- https://access.redhat.com/downloads/content/package-browser/
No explicit version tuples; consult this entry's default status.
Red Hat OpenShift Container Platform 4
- Vendor
- Red Hat
- Product
- Red Hat OpenShift Container Platform 4
- Platforms
- Unknown
- Default status
affected- Package
- openshift/ose-rhel-coreos-9
- Package collection
- https://access.redhat.com/downloads/content/package-browser/
No explicit version tuples; consult this entry's default status.