CVE-2026-2903
Vulnerability
CVE-2026-2903
CVE-2026-2903
 A flaw has been found in skvadrik re2c up to 4.4. Impacted is the function check_and_merge_special_rules of the file src/parse/ast.cc. This manipulation causes null pointer dereference. The attack can only be executed locally. The exploit has been published and may be used. Patch name: febeb977936f9519a25d9fbd10ff8256358cdb97. It is suggested to install a patch to address this issue.
References
- launchpad.net/ubuntu-cve-tracker: https://github.com/oneafter/0202/blob/main/re/repro
- launchpad.net/ubuntu-cve-tracker: https://github.com/skvadrik/re2c/
- launchpad.net/ubuntu-cve-tracker: https://github.com/skvadrik/re2c/issues/571#issuecomment-3837675101
- launchpad.net/ubuntu-cve-tracker: https://vuldb.com/?ctiid.347210
- launchpad.net/ubuntu-cve-tracker: https://vuldb.com/?id.347210
- launchpad.net/ubuntu-cve-tracker: https://vuldb.com/?submit.755030
- launchpad.net/ubuntu-cve-tracker: https://www.cve.org/CVERecord?id=CVE-2026-2903
severityl
low
type: vendor
source: launchpad.net/ubuntu-cve-tracker
published: 2026-02-23 00:00:00
Detection
No detection criteria available for this vulnerability.
Data Sources
- Ubuntu CVE Tracker
ubuntu-cve-tracker