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CVE-2026-2903
3.3 LOW
- CVSS version: 3.1
- Attack vector (AV):
- Attack complexity (AC):
- Privileges required (PR):
- User interaction (UI):
- Scope (S):
- Confidentiality impact (C):
- Integrity impact (I):
- Availability impact (A):
Activity log
- Created suggestion
skvadrik re2c ast.cc check_and_merge_special_rules null pointer dereference
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
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VDB-347210 | skvadrik re2c ast.cc check_and_merge_special_rules null pointer dereference vdb-entrytechnical-description
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Submit #755030 | skvadrik re2c 04f1424 NULL Pointer Dereference third-party-advisory
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https://github.com/skvadrik/re2c/issues/571 issue-tracking
Affected products
re2c
- ==4.0
- ==4.3
- ==4.4
- ==4.2
- ==4.1
Matching in nixpkgs
pkgs.re2c
Tool for writing very fast and very flexible scanners
pkgs.vimPlugins.nvim-treesitter-parsers.re2c
None
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nixos-unstable re2c-0.0.0+rev=c18a3c2
- nixpkgs-unstable re2c-0.0.0+rev=c18a3c2
- nixos-unstable-small re2c-0.0.0+rev=c18a3c2
Package maintainers
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@thoughtpolice Austin Seipp <aseipp@pobox.com>