VulnerabilityDeferred
CVE-2026-2903
The attack can only be executed locally.
LOW 1.9EPSS 0.11%
Does this matter?
Lower severity and a low EPSS score (0.11%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 4.0
- 1.9 LOWCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.11% probability · 2th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-404, CWE-476
- Source
- cna@vuldb.com
References
- https://github.com/oneafter/0202/blob/main/re/repro
- https://github.com/skvadrik/re2c/
- https://github.com/skvadrik/re2c/commit/febeb977936f9519a25d9fbd10ff8256358cdb97
- https://github.com/skvadrik/re2c/issues/571
- https://github.com/skvadrik/re2c/issues/571#issuecomment-3837675101
- https://vuldb.com/?ctiid.347210
- https://vuldb.com/?id.347210
- https://vuldb.com/?submit.755030
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.