GNU
GNU Bison: vulnerabilidades y CVE
GNU Bison tiene 4 vulnerabilidades publicadas, 2 de ellas en los últimos 12 meses. 0 son críticas y 0 figuran en el catálogo de explotación activa de CISA.
CVE4
Últimos 12 meses2
Críticas0
Explotadas activamente0
Todas las vulnerabilidades en el catálogo →⭐ Seguir esta tecnología
Últimas vulnerabilidades
| CVE | Severidad | EPSS | Explotación activa | Publicada | Descripción |
|---|---|---|---|---|---|
| CVE-2026-56390 | Media (4.6) | 0.18% | — | 29 jul 2026 | GNU Bison improperly handles grammar‑defined output paths. Grammar directives such as %output and %header allow specifying file paths, which are accepted without restriction and override caller‑supplied output options.… |
| CVE-2026-56389 | Media (6.8) | 0.22% | — | 29 jul 2026 | GNU Bison allows for an execution of an arbitrary program during HTML report generation due to improper handling of grammar-defined configuration variables. A grammar file can override the executable used for the… |
| CVE-2020-24240 | Media (5.5) | 1.3% | — | 25 ago 2020 | GNU Bison before 3.7.1 has a use-after-free in _obstack_free in lib/obstack.c (called from gram_lex) when a '\0' byte is encountered. NOTE: there is a risk only if Bison is used with untrusted input, and the observed… |
| CVE-2020-14150 | Media (5.5) | 0.39% | — | 15 jun 2020 | GNU Bison before 3.5.4 allows attackers to cause a denial of service (application crash). NOTE: there is a risk only if Bison is used with untrusted input, and an observed bug happens to cause unsafe behavior with a… |