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fix: V-001 security vulnerability

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Automated security fix generated by OrbisAI Security

Signed-off-by: OrbisAI Security <mediratta01.pally@gmail.com>
This commit is contained in:
orbisai0security 2026-07-09 00:50:36 +00:00 • committed by Xiang Xiao
parent 33b528a0de
commit d071a0b585
1 changed files with 5 additions and 0 deletions
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5
nshlib/nsh_vars.c
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@ -257,6 +257,11 @@ int nsh_setvar(FAR struct nsh_vtbl_s *vtbl, FAR const char *name,
if (pstate->varp != NULL) if (pstate->varp != NULL)
{ {
if (varlen > INT_MAX - pstate->varsz)
{
return -ENOMEM;
}
newsize = pstate->varsz + varlen; newsize = pstate->varsz + varlen;
newvarp = (FAR char *)realloc(pstate->varp, newsize); newvarp = (FAR char *)realloc(pstate->varp, newsize);
if (newvarp == NULL) if (newvarp == NULL)