diff options
| -rw-r--r-- | src/xkb/XKBGetMap.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/xkb/XKBGetMap.c b/src/xkb/XKBGetMap.c index af93a5cb..a68455bd 100644 --- a/src/xkb/XKBGetMap.c +++ b/src/xkb/XKBGetMap.c @@ -390,6 +390,9 @@ register int i; unsigned char *wire; if ( rep->totalModMapKeys>0 ) { + if ( ((int)rep->firstModMapKey + rep->nModMapKeys) > + (xkb->max_key_code + 1)) + return BadLength; if ((xkb->map->modmap==NULL)&& (XkbAllocClientMap(xkb,XkbModifierMapMask,0)!=Success)) { return BadAlloc; @@ -402,6 +405,8 @@ unsigned char *wire; if (!wire) return BadLength; for (i=0;i<rep->totalModMapKeys;i++,wire+=2) { + if (wire[0] > xkb->max_key_code || wire[1] > xkb->max_key_code) + return BadLength; xkb->map->modmap[wire[0]]= wire[1]; } } |