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CVE-2026-19499 Calling strfmon and strfmon_l in the GNU C Library version 2.38 to 2.44 can write past the end of the caller-supplied…
Description
Calling strfmon and strfmon_l in the GNU C Library version 2.38 to 2.44 can write past the end of the caller-supplied output buffer when a conversion uses right-justified width padding. Exploitation requires an application code path that calls strfmon or strfmon_l with right-justified width padding into a destination buffer that is large enough for the padding to succeed but too small for the internal memmove call. The field width or format may be attacker-influenced or a fixed susceptible pattern in the caller. At the time of publication, no network-facing application impact is known.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| glibc 2.38 | 2.38 → 2.44 | Pas de correctif indiqué |
Références
- sourceware.org sourceware.org
- sourceware.org sourceware.org
Chronologie
- Publiée
- Dernière modification
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